v3.24.2.u1
Schedule of operating segments (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
IfrsStatementLineItems [Line Items]          
Revenue $ 5,910 [1] $ 8,733 [1] $ 15,060 $ 22,448 $ 23,975
COVID-19 disruption   (3,554)      
Other cost of sales [1] (5,373) (8,814)      
Cost of sales (5,373) [1] (12,368) [1] (13,472) (20,308) (19,614)
Gross (loss)/profit 537 [1] (3,635) [1] (2,262) 259 4,361
General and administrative expenses (4,350) [1] (4,213) [1] (7,620) (13,811) (9,651)
Other gains/(losses) [1] 26 [1] 30 (13) 769
Other income   300      
Depreciation and amortization   (691)   (1,620) (1,453)
Operating loss (4,472) [1] (8,213) [1] (11,314) (14,523) (5,014)
Restructuring and other non-recurring costs (1,261) [1] (112) [1] (2,084) (443) (2,877)
Finance income 7 [1] 1 [1] 1,156 173 2,176
Finance expense - net   (2,467)   (8,431) (274)
Loss before income tax (8,025) [1] (10,791) [1] (19,608) (23,397) (8,165)
Income tax 196 [1] 379 [1] (540) 1,968 138
Loss from continuing operations (7,828) [1] (10,412) [1] (20,148) (21,429) (8,027)
Cost of sales - non-recurring events [1] (3,554) [1] (3,850) (1,881)
Other income       662 960
Assets 61,446   61,416 69,657 76,512
Liabilities (65,486)   (57,670) (48,042) (36,094)
Net assets/(liabilities)     3,746 21,615 40,418
Discontinued operations [member]          
IfrsStatementLineItems [Line Items]          
Revenue       15,200 15,200
Aggregate continuing and discontinued operations [member]          
IfrsStatementLineItems [Line Items]          
Revenue 5,910 8,733 15,060 37,616 40,411
Edenvale extreme weather        
COVID-19 disruption   (3,554)      
Other cost of sales (5,373) (8,814)      
Cost of sales (5,373) (12,368) (13,472) (34,150) (34,084)
Gross (loss)/profit 537 (3,635) (2,262) 1,585 6,327
General and administrative expenses (4,350) (4,213) (7,620) (15,296) (11,133)
Other gains/(losses) (778) (4,177) (13) 769
Other income 46 300      
Depreciation and amortization (706) (691) (1,581) (2,387) (2,256)
Operating loss (4,473) (9,017) (15,521) (15,125) (4,781)
Restructuring and other non-recurring costs (1,261) (112) (2,084) (443) (2,880)
Finance income 7 1      
Finance expense - net (2,298) (2,467) (6,210) (8,603) (411)
Loss before income tax (8,025) (11,595) (23,815) (24,171) (8,072)
Income tax 196 379 (540) 2,117 114
Loss from continuing operations (7,828) (11,216) (24,355) (22,054) (7,958)
Cost of sales - non-recurring events     (3,850) (1,881)
Other income     119 986 1,512
Critical power services segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue 5,910 7,821 13,596 20,958 22,396
Edenvale extreme weather        
COVID-19 disruption   (3,554)      
Other cost of sales (5,373) (7,815)      
Cost of sales (5,373) (11,369) (11,900) (18,804) (18,322)
Gross (loss)/profit 537 (3,548) (2,154) 273 4,074
General and administrative expenses (661) (687) (1,390) (1,568) (1,522)
Other gains/(losses) 103 36
Other income 95 25      
Depreciation and amortization (364) (345) (895) (1,165) (1,099)
Operating loss (394) (4,555) (4,389) (1,695) 2,449
Restructuring and other non-recurring costs (1) 45 (24)
Finance income 7 1      
Finance expense - net (1,894) (2,595) (6,841) (7,470) 1,824
Loss before income tax (2,281) (7,149) (11,231) (9,120) 4,249
Income tax (619) 1,349 (691)
Loss from continuing operations (2,281) (7,149) (11,850) (7,771) 3,558
Cost of sales - non-recurring events     (3,850) (1,881)
Other income     50 662 960
Assets     18,034 30,878 35,604
Liabilities     (15,539) (13,452) (9,442)
Net assets/(liabilities)     2,495 17,426 26,162
Critical power services segment [member] | Discontinued operations [member]          
IfrsStatementLineItems [Line Items]          
Revenue 15,168 16,436
Other cost of sales      
Cost of sales (13,842) (14,470)
Gross (loss)/profit 1,326 1,966
General and administrative expenses (1,485) (1,482)
Other gains/(losses) (804) (4,207)
Other income      
Depreciation and amortization (767) (803)
Operating loss (804) (4,207) (602) 233
Restructuring and other non-recurring costs (3)
Finance income      
Finance expense - net (172) (137)
Loss before income tax (804) (4,207) (774) 93
Income tax 149 (24)
Loss from continuing operations (804) (4,207) (625) 69
Cost of sales - non-recurring events    
Other income     324 552
Electric vehicles segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue 912 1,464 1,490 1,394
Other cost of sales (999)      
Cost of sales (999) (1,572) (1,504) (1,292)
Gross (loss)/profit (87) (108) (14) 102
General and administrative expenses (748) (714) (1,005) (2,901) (1,923)
Other gains/(losses)
Other income 275      
Depreciation and amortization (335) (339) (673) (443) (346)
Operating loss (1,083) (865) (1,786) (3,358) (2,167)
Restructuring and other non-recurring costs (30) (214) (429) (631)
Finance income      
Finance expense - net (137) (36) 936 (974) (1)
Loss before income tax (1,220) (931) (1,064) (4,761) (2,799)
Income tax 196 379 (40) 575 733
Loss from continuing operations (1,024) (552) (1,104) (4,186) (2,066)
Cost of sales - non-recurring events    
Other income    
Assets     17,493 14,202 9,027
Liabilities     (7,564) (4,528) (2,093)
Net assets/(liabilities)     9,929 9,673 6,934
Solar development segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue 185
Other cost of sales      
Cost of sales
Gross (loss)/profit 185
General and administrative expenses (30) (136) (297) (80) (1,309)
Other gains/(losses) (139) 733
Other income      
Depreciation and amortization (4)
Operating loss (30) (136) (228) (219) (395)
Restructuring and other non-recurring costs (1,261)
Finance income      
Finance expense - net (34) (34) (24)
Loss before income tax (1,291) (170) (262) (219) (419)
Income tax 96
Loss from continuing operations (1,291) (170) (262) (219) (323)
Cost of sales - non-recurring events    
Other income     69
Assets     12,726 22,505 24,693
Liabilities     (377) (767)
Net assets/(liabilities)     12,726 22,128 23,926
Sustainable energy solutions segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue
Other cost of sales      
Cost of sales
Gross (loss)/profit
General and administrative expenses (172) (214) (367) (1,660)
Other gains/(losses) 26 30 23
Other income (49)      
Depreciation and amortization (2) (2) (3) (3)
Operating loss (223) (190) (340) (1,640)
Restructuring and other non-recurring costs
Finance income      
Finance expense - net (27) 146 (50) 23
Loss before income tax (250) (44) (390) (1,617)
Income tax 119 192
Loss from continuing operations (250) (44) (271) (1,425)
Cost of sales - non-recurring events    
Other income    
Assets     10,343 1,170
Liabilities     (645) (485)
Net assets/(liabilities)     9,698 685
Corporate office segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue
Other cost of sales      
Cost of sales
Gross (loss)/profit
General and administrative expenses (2,739) (2,462) (4,561) (7,602) (4,897)
Other gains/(losses)
Other income      
Depreciation and amortization (5) (5) (10) (9) (4)
Operating loss (2,744) (2,467) (4,571) (7,611) (4,901)
Restructuring and other non-recurring costs (82) (1,869) (59) (2,222)
Finance income      
Finance expense - net (240) 52 (221) (10) (2,073)
Loss before income tax (2,984) (2,497) (6,661) (7,680) (9,196)
Income tax (148)
Loss from continuing operations (2,984) $ (2,497) (6,661) (7,828) (9,196)
Cost of sales - non-recurring events    
Other income    
Assets     2,819 903 7,188
Liabilities     (33,921) (29,200) (23,792)
Net assets/(liabilities)     (31,102) $ (28,297) $ (16,604)
Total segment [member]          
IfrsStatementLineItems [Line Items]          
Revenue 5,910   15,060    
Edenvale extreme weather        
Other cost of sales (5,373)        
Cost of sales (5,373)   (13,472)    
Gross (loss)/profit 537   (2,262)    
General and administrative expenses (4,350)   (7,620)    
Other gains/(losses)   30    
Other income 46        
Depreciation and amortization (706)   (1,581)    
Operating loss (4,473)   (11,314)    
Restructuring and other non-recurring costs (1,261)   (2,084)    
Finance income 7        
Finance expense - net (2,298)   (6,210)    
Loss before income tax (8,025)   (19,608)    
Income tax 196   (540)    
Loss from continuing operations $ (7,828)   (20,148)    
Cost of sales - non-recurring events     (3,850)    
Other income     $ 119    
[1] Financials for continuing operations for both six months ended December 31, 2023, and six months ended December 31, 2022, up to the “Loss from continuing operations” line and for earnings per share.