Note 11 - Income Taxes (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
| Notes Tables |
|
| Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
U.S.
|
|
$ |
(363,791 |
) |
|
$ |
779,605 |
|
|
Foreign
|
|
|
(240,466 |
) |
|
|
(57,062 |
) |
| |
|
$ |
(604,257 |
) |
|
$ |
722,543 |
|
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
Current:
|
|
|
|
|
|
|
|
|
|
Federal
|
|
$ |
- |
|
|
$ |
- |
|
|
State
|
|
|
- |
|
|
|
456 |
|
|
Foreign
|
|
|
(201,735 |
) |
|
|
115,599 |
|
|
Total current
|
|
|
(201,735 |
) |
|
|
116,055 |
|
| |
|
|
|
|
|
|
|
|
|
Deferred:
|
|
|
|
|
|
|
|
|
|
Federal
|
|
|
- |
|
|
|
- |
|
|
State
|
|
|
- |
|
|
|
- |
|
|
Foreign
|
|
|
(34,279 |
) |
|
|
(157,104 |
) |
|
Total deferred
|
|
|
(34,279 |
) |
|
|
(157,104 |
) |
|
Income tax (benefit) provision
|
|
$ |
(236,014 |
) |
|
$ |
(41,049 |
) |
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| |
|
December 31, 2025
Amount
|
|
|
As a % of net income before taxes
|
|
| |
|
|
|
|
|
|
|
|
|
Net income (loss) before taxes
|
|
$ |
(604,257 |
) |
|
|
|
|
|
U.S. federal statutory tax rate
|
|
|
(126,894 |
) |
|
|
21.00 |
% |
|
State and local income taxes, net of federal income tax effect*
|
|
|
484 |
|
|
|
(0.08 |
)% |
|
Foreign tax effects
|
|
|
|
|
|
|
|
|
|
Canada
|
|
|
|
|
|
|
|
|
|
Foreign rate differential
|
|
|
(7,907 |
) |
|
|
1.31 |
% |
|
Prior period adjustments
|
|
|
52,445 |
|
|
|
(8.68 |
)% |
|
Other
|
|
|
6,070 |
|
|
|
(1.00 |
)% |
|
Effect of cross-border tax laws
|
|
|
|
|
|
|
|
|
|
Global intangible low-taxed income
|
|
|
319,475 |
|
|
|
(52.87 |
)% |
|
Changes in valuation allowances
|
|
|
(566,589 |
) |
|
|
93.77 |
% |
|
Non-taxable or non-deductible items
|
|
|
|
|
|
|
|
|
|
Section 162(m) disallowance
|
|
|
43,302 |
|
|
|
(7.17 |
)% |
|
Stock compensation
|
|
|
(49,400 |
) |
|
|
8.18 |
% |
|
Changes in unrecognized tax benefits
|
|
|
(255,839 |
) |
|
|
42.34 |
% |
|
Other
|
|
|
|
|
|
|
|
|
|
Attributes expirations
|
|
|
304,229 |
|
|
|
(50.35 |
)% |
|
Prior period adjustments
|
|
|
26,726 |
|
|
|
(4.42 |
)% |
|
Other
|
|
|
17,886 |
|
|
|
(2.96 |
)% |
|
Effective income tax rate
|
|
$ |
(236,014 |
) |
|
|
39.06 |
% |
| |
|
2024
|
|
|
2023
|
|
|
U.S. federal statutory tax rate
|
|
|
21.00 |
%
|
|
|
21.00 |
%
|
|
State tax benefit, net
|
|
|
(0.09 |
)%
|
|
|
7.73 |
%
|
|
Stock compensation
|
|
|
9.68 |
%
|
|
|
1.00 |
%
|
|
Foreign rate differential
|
|
|
1.55 |
% |
|
|
(0.42 |
)% |
|
Attributes expiration
|
|
|
(59.61 |
)%
|
|
|
36.01 |
%
|
|
Returns to Provision
|
|
|
(15.51 |
)%
|
|
|
0.07 |
%
|
|
Other
|
|
|
(0.96 |
)%
|
|
|
2.97 |
%
|
|
NOL Adjustment
|
|
|
- |
%
|
|
|
(10.90 |
)%
|
|
Unrecognized tax benefit
|
|
|
50.13 |
%
|
|
|
3.82 |
%
|
|
GILTI
|
|
|
(62.60 |
)%
|
|
|
44.93 |
%
|
|
Section 162(m) disallowance
|
|
|
(8.48 |
)% |
|
|
- |
%
|
|
Valuation allowance
|
|
|
111.01 |
%
|
|
|
(111.90 |
)%
|
|
Effective income tax rate
|
|
|
46.12 |
%
|
|
|
(5.69 |
)%
|
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
Deferred taxes:
|
|
|
|
|
|
|
|
|
|
NOLs
|
|
$ |
5,979,666 |
|
|
$ |
6,487,219 |
|
|
Inventory and other reserves
|
|
|
7,844 |
|
|
|
31,340 |
|
|
Stock based compensation expense
|
|
|
200,264 |
|
|
|
272,285 |
|
|
Accruals
|
|
|
24,239 |
|
|
|
18,207 |
|
|
Other
|
|
|
96 |
|
|
|
96 |
|
|
Total deferred tax assets
|
|
|
6,212,109 |
|
|
|
6,809,147 |
|
|
Depreciation and amortization
|
|
|
(442,263 |
) |
|
|
(484,941 |
) |
|
Right-of-use assets
|
|
|
- |
|
|
|
- |
|
|
Valuation allowance
|
|
|
(6,177,747 |
) |
|
|
(6,744,334 |
) |
|
Net deferred tax liabilities
|
|
$ |
(407,901 |
) |
|
$ |
(420,128 |
) |
|
| Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
Gross unrecognized tax benefits at the beginning of the year
|
|
$ |
691,481 |
|
|
$ |
707,632 |
|
|
Increases related to current year positions
|
|
|
- |
|
|
|
- |
|
|
Increases (decreases) related to prior year positions
|
|
|
34,720 |
|
|
|
(2,116 |
) |
|
Expiration of unrecognized tax benefits
|
|
|
(176,578 |
) |
|
|
(14,035 |
) |
|
Gross unrecognized tax benefits at the end of the year
|
|
$ |
549,623 |
|
|
$ |
691,481 |
|
|