CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED AND COMMON STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands |
Total |
Series A Convertible Preferred Stock |
Series A-1 Convertible Preferred Stock |
Series B Convertible Preferred Stock |
Class B Convertible Common Stock |
Common Stock |
Additional Paid-in Capital |
Accumulated Deficit |
Accumulated Other Comprehensive Income (Loss) |
| Beginning balance, temporary equity (in shares) at Dec. 31, 2022 |
|
|
21,977,282
|
|
2,950,548
|
|
0
|
|
2,744,184
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Dec. 31, 2022 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 0
|
|
$ 5,900
|
|
|
|
|
|
|
| Convertible Preferred and Common Stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Issuance of Series B convertible preferred stock, net of issuance costs (in shares) |
|
|
|
|
|
|
28,019,181
|
|
|
|
|
|
|
|
|
| Issuance of Series B convertible preferred stock, net of issuance costs |
|
|
|
|
|
|
$ 82,976
|
|
|
|
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Mar. 31, 2023 |
|
|
21,977,282
|
|
2,950,548
|
|
28,019,181
|
|
2,744,184
|
|
|
|
|
|
|
| Ending balance, temporary equity at Mar. 31, 2023 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 82,976
|
|
$ 5,900
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Dec. 31, 2022 |
|
|
|
|
|
|
|
|
|
|
1,946,988
|
|
|
|
|
| Beginning balance at Dec. 31, 2022 |
|
$ (24,169)
|
|
|
|
|
|
|
|
|
$ 10
|
|
$ 1,098
|
$ (25,277)
|
$ 0
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Vesting of early exercised stock options (in shares) |
|
|
|
|
|
|
|
|
|
|
5,593
|
|
|
|
|
| Vesting of early exercised stock options |
|
19
|
|
|
|
|
|
|
|
|
|
|
19
|
|
|
| Share-based compensation |
|
142
|
|
|
|
|
|
|
|
|
|
|
142
|
|
|
| Net loss |
|
(12,670)
|
|
|
|
|
|
|
|
|
|
|
|
(12,670)
|
|
| Ending balance, common stock (in shares) at Mar. 31, 2023 |
|
|
|
|
|
|
|
|
|
|
1,952,581
|
|
|
|
|
| Ending balance at Mar. 31, 2023 |
|
(36,678)
|
|
|
|
|
|
|
|
|
$ 10
|
|
1,259
|
(37,947)
|
0
|
| Beginning balance, temporary equity (in shares) at Dec. 31, 2022 |
|
|
21,977,282
|
|
2,950,548
|
|
0
|
|
2,744,184
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Dec. 31, 2022 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 0
|
|
$ 5,900
|
|
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Jun. 30, 2023 |
|
|
21,977,282
|
|
2,950,548
|
|
28,019,181
|
|
2,744,184
|
|
|
|
|
|
|
| Ending balance, temporary equity at Jun. 30, 2023 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 82,976
|
|
$ 5,900
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Dec. 31, 2022 |
|
|
|
|
|
|
|
|
|
|
1,946,988
|
|
|
|
|
| Beginning balance at Dec. 31, 2022 |
|
(24,169)
|
|
|
|
|
|
|
|
|
$ 10
|
|
1,098
|
(25,277)
|
0
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Unrealized loss on marketable securities |
|
(14)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net loss |
|
(27,396)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ending balance, common stock (in shares) at Jun. 30, 2023 |
|
|
|
|
|
|
|
|
|
|
1,958,174
|
|
|
|
|
| Ending balance at Jun. 30, 2023 |
|
(51,210)
|
|
|
|
|
|
|
|
|
$ 10
|
|
1,467
|
(52,673)
|
(14)
|
| Beginning balance, temporary equity (in shares) at Mar. 31, 2023 |
|
|
21,977,282
|
|
2,950,548
|
|
28,019,181
|
|
2,744,184
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Mar. 31, 2023 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 82,976
|
|
$ 5,900
|
|
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Jun. 30, 2023 |
|
|
21,977,282
|
|
2,950,548
|
|
28,019,181
|
|
2,744,184
|
|
|
|
|
|
|
| Ending balance, temporary equity at Jun. 30, 2023 |
|
|
$ 44,621
|
|
$ 9,893
|
|
$ 82,976
|
|
$ 5,900
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Mar. 31, 2023 |
|
|
|
|
|
|
|
|
|
|
1,952,581
|
|
|
|
|
| Beginning balance at Mar. 31, 2023 |
|
(36,678)
|
|
|
|
|
|
|
|
|
$ 10
|
|
1,259
|
(37,947)
|
0
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Unrealized loss on marketable securities |
|
(14)
|
|
|
|
|
|
|
|
|
|
|
|
|
(14)
|
| Vesting of early exercised stock options (in shares) |
|
|
|
|
|
|
|
|
|
|
5,593
|
|
|
|
|
| Vesting of early exercised stock options |
|
19
|
|
|
|
|
|
|
|
|
|
|
19
|
|
|
| Share-based compensation |
|
189
|
|
|
|
|
|
|
|
|
|
|
189
|
|
|
| Net loss |
|
(14,726)
|
|
|
|
|
|
|
|
|
|
|
|
(14,726)
|
|
| Ending balance, common stock (in shares) at Jun. 30, 2023 |
|
|
|
|
|
|
|
|
|
|
1,958,174
|
|
|
|
|
| Ending balance at Jun. 30, 2023 |
|
(51,210)
|
|
|
|
|
|
|
|
|
$ 10
|
|
1,467
|
(52,673)
|
(14)
|
| Beginning balance, temporary equity (in shares) at Dec. 31, 2023 |
|
|
21,977,282
|
[1] |
2,950,548
|
[1] |
28,019,181
|
[1] |
2,744,184
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Dec. 31, 2023 |
|
$ 143,390
|
$ 44,621
|
[1] |
$ 9,893
|
[1] |
$ 82,976
|
[1] |
$ 5,900
|
[1] |
|
|
|
|
|
| Convertible Preferred and Common Stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Conversion of convertible preferred stock and Class B convertible common stock to common stock as a result of the Merger and reset to par of $0.00001 (in shares) |
|
|
(21,977,282)
|
|
(2,950,548)
|
|
(28,019,181)
|
|
(2,744,184)
|
|
|
|
|
|
|
| Conversion of convertible preferred stock and Class B convertible common stock to common stock as a result of the Merger and reset to par of $0.00001 (in shares) |
|
|
$ (44,621)
|
|
$ (9,893)
|
|
$ (82,976)
|
|
$ (5,900)
|
|
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Mar. 31, 2024 |
|
|
0
|
|
0
|
|
0
|
|
0
|
|
|
|
|
|
|
| Ending balance, temporary equity at Mar. 31, 2024 |
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Dec. 31, 2023 |
|
1,969,360
|
|
|
|
|
|
|
2,744,184
|
|
1,969,360
|
[1] |
|
|
|
| Beginning balance at Dec. 31, 2023 |
[1] |
$ (92,712)
|
|
|
|
|
|
|
|
|
$ 10
|
|
2,517
|
(95,245)
|
6
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Conversion of convertible preferred stock and Class B convertible common stock to common stock as a result of the Merger and reset to par of $0.00001 (in shares) |
|
|
|
|
|
|
|
|
|
|
11,260,672
|
|
|
|
|
| Conversion of convertible preferred stock and Class B convertible common stock to common stock as a result of the Merger and reset to par of $0.00001 |
|
143,390
|
|
|
|
|
|
|
|
|
$ (10)
|
|
143,400
|
|
|
| Issuance of common stock to Graphite stockholders as a result of the Merger (in shares) |
|
|
|
|
|
|
|
|
|
|
8,320,485
|
|
|
|
|
| Issuance of common stock to Graphite stockholders as a result of the Merger |
|
116,145
|
|
|
|
|
|
|
|
|
|
|
116,145
|
|
|
| Issuance of common stock from private placement, net (in shares) |
|
|
|
|
|
|
|
|
|
|
3,559,565
|
|
|
|
|
| Issuance of common stock from private placement, net |
|
49,840
|
|
|
|
|
|
|
|
|
|
|
49,840
|
|
|
| Reclassification of warrant liability to equity |
|
1,918
|
|
|
|
|
|
|
|
|
|
|
1,918
|
|
|
| Merger transaction costs |
|
(5,146)
|
|
|
|
|
|
|
|
|
|
|
(5,146)
|
|
|
| Unrealized loss on marketable securities |
|
(7)
|
|
|
|
|
|
|
|
|
|
|
|
|
(7)
|
| Exercise of stock options and common warrants (in shares) |
|
|
|
|
|
|
|
|
|
|
383,898
|
|
|
|
|
| Exercise of stock options and common warrants |
|
430
|
|
|
|
|
|
|
|
|
|
|
430
|
|
|
| Vesting of early exercised stock options (in shares) |
|
|
|
|
|
|
|
|
|
|
6,150
|
|
|
|
|
| Vesting of early exercised stock options |
|
10
|
|
|
|
|
|
|
|
|
|
|
10
|
|
|
| Share-based compensation |
|
947
|
|
|
|
|
|
|
|
|
|
|
947
|
|
|
| Net loss |
|
(16,648)
|
|
|
|
|
|
|
|
|
|
|
|
(16,648)
|
|
| Ending balance, common stock (in shares) at Mar. 31, 2024 |
|
|
|
|
|
|
|
|
|
|
25,500,130
|
|
|
|
|
| Ending balance at Mar. 31, 2024 |
|
198,167
|
|
|
|
|
|
|
|
|
$ 0
|
|
310,061
|
(111,893)
|
(1)
|
| Beginning balance, temporary equity (in shares) at Dec. 31, 2023 |
|
|
21,977,282
|
[1] |
2,950,548
|
[1] |
28,019,181
|
[1] |
2,744,184
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Dec. 31, 2023 |
|
143,390
|
$ 44,621
|
[1] |
$ 9,893
|
[1] |
$ 82,976
|
[1] |
$ 5,900
|
[1] |
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Jun. 30, 2024 |
|
|
0
|
|
0
|
|
0
|
|
0
|
|
|
|
|
|
|
| Ending balance, temporary equity at Jun. 30, 2024 |
|
$ 0
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Dec. 31, 2023 |
|
1,969,360
|
|
|
|
|
|
|
2,744,184
|
|
1,969,360
|
[1] |
|
|
|
| Beginning balance at Dec. 31, 2023 |
[1] |
$ (92,712)
|
|
|
|
|
|
|
|
|
$ 10
|
|
2,517
|
(95,245)
|
6
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Unrealized loss on marketable securities |
|
(68)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net loss |
|
$ (26,902)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ending balance, common stock (in shares) at Jun. 30, 2024 |
|
25,845,671
|
|
|
|
|
|
|
0
|
|
25,845,671
|
|
|
|
|
| Ending balance at Jun. 30, 2024 |
|
$ 192,921
|
|
|
|
|
|
|
|
|
$ 0
|
|
315,130
|
(122,147)
|
(62)
|
| Beginning balance, temporary equity (in shares) at Mar. 20, 2024 |
|
|
21,977,282
|
|
2,950,548
|
|
|
|
|
|
|
|
|
|
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Issuance of common stock to Graphite stockholders as a result of the Merger (in shares) |
|
8,320,485
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Issuance of common stock from private placement, net (in shares) |
|
8,670,653
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Merger transaction costs |
|
$ (5,200)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Beginning balance, temporary equity (in shares) at Mar. 31, 2024 |
|
|
0
|
|
0
|
|
0
|
|
0
|
|
|
|
|
|
|
| Beginning balance, temporary equity at Mar. 31, 2024 |
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
|
|
|
|
|
| Ending balance, temporary equity (in shares) at Jun. 30, 2024 |
|
|
0
|
|
0
|
|
0
|
|
0
|
|
|
|
|
|
|
| Ending balance, temporary equity at Jun. 30, 2024 |
|
0
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
|
|
|
|
|
| Beginning balance, common stock (in shares) at Mar. 31, 2024 |
|
|
|
|
|
|
|
|
|
|
25,500,130
|
|
|
|
|
| Beginning balance at Mar. 31, 2024 |
|
198,167
|
|
|
|
|
|
|
|
|
$ 0
|
|
310,061
|
(111,893)
|
(1)
|
| Stockholders' Deficit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Unrealized loss on marketable securities |
|
(61)
|
|
|
|
|
|
|
|
|
|
|
|
|
(61)
|
| Vesting of early exercised stock options (in shares) |
|
|
|
|
|
|
|
|
|
|
7,281
|
|
|
|
|
| Vesting of early exercised stock options |
|
28
|
|
|
|
|
|
|
|
|
|
|
28
|
|
|
| Adjustments to reverse recapitalization accounting and issuance of common stock from private placement |
|
31
|
|
|
|
|
|
|
|
|
|
|
31
|
|
|
| Exercise stock options (in shares) |
|
|
|
|
|
|
|
|
|
|
338,260
|
|
|
|
|
| Exercise of stock options |
|
3,413
|
|
|
|
|
|
|
|
|
|
|
3,413
|
|
|
| Share-based compensation |
|
1,597
|
|
|
|
|
|
|
|
|
|
|
1,597
|
|
|
| Net loss |
|
$ (10,254)
|
|
|
|
|
|
|
|
|
|
|
|
(10,254)
|
|
| Ending balance, common stock (in shares) at Jun. 30, 2024 |
|
25,845,671
|
|
|
|
|
|
|
0
|
|
25,845,671
|
|
|
|
|
| Ending balance at Jun. 30, 2024 |
|
$ 192,921
|
|
|
|
|
|
|
|
|
$ 0
|
|
$ 315,130
|
$ (122,147)
|
$ (62)
|
|
|