CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total revenues		$ 23,708	$ 13,483	$ 36,632	$ 22,601
Cost of revenues:
Total cost of revenues		17,455	11,267	27,243	18,811
Gross profit		6,253	2,216	9,389	3,790
Operating expenses:
Selling, general and administrative		6,420	5,339	11,679	9,433
Amortization of intangible assets		785	590	1,509	1,032
Total operating expenses		7,205	5,929	13,188	10,465
Income (loss) from operations		(952)	(3,713)	(3,799)	(6,675)
Other income (expense):
Other income (expense), net		4,940	(334)	4,439	65
Interest income (expense), net		(80)	221	(98)	595
Total other income (expense), net		4,860	(113)	4,341	660
Income (loss) before income taxes		3,908	(3,826)	542	(6,015)
Income tax benefit (provision)		(457)	39	1,733	4
Net Income (loss)		3,451	(3,787)	2,275	(6,011)
Dividend on Series A perpetual preferred stock		(673)	(479)	(1,152)	(958)
Net income (loss) attributable to common shareholders		2,778	(4,266)	1,123	(6,969)
Net income (loss) attributable to common shareholders		$ 2,778	$ (4,266)	$ 1,123	$ (6,969)
Net income (loss) per share
Basic (in usd per share)	[1]	$ 1.08	$ (1.19)	$ 0.71	$ (1.90)
Diluted (in usd per share)	[1]	1.07	(1.19)	0.71	(1.90)
Net income (loss) per share, attributable to common shareholders
Basic (in usd per share)	[1]	0.87	(1.34)	0.35	(2.20)
Diluted (in usd per share)	[1]	$ 0.86	$ (1.34)	$ 0.35	$ (2.20)
Weighted-average common shares outstanding
Basic (in shares)	[1],[2]	3,205	3,172	3,212	3,170
Diluted (in shares)	[1],[2]	3,214	3,172	3,222	3,170
Dividends declared per share of Series A perpetual preferred stock (in usd per share)		$ 0.25	$ 0.25
Series A Preferred Stock
Weighted-average common shares outstanding
Dividends declared per share of Series A perpetual preferred stock (in usd per share)		$ 0.25	$ 0.25	$ 0.50	$ 0.50
Building Solutions
Revenues:
Total revenues	[3]	$ 20,384	$ 13,483	$ 32,502	$ 22,601
Cost of revenues:
Total cost of revenues	[3]	15,141	11,254	24,330	18,694
Energy Services
Revenues:
Total revenues		3,324	0	4,130	0
Cost of revenues:
Total cost of revenues		2,240	0	2,764	0
Investments
Revenues:
Total revenues		0	0	0	0
Cost of revenues:
Total cost of revenues		$ 74	$ 13	$ 149	$ 117

[1] *Earnings per share may not add due to rounding

[2] ***All share amounts reflect a 1 for 5 reverse stock split effective June 14, 2024, retroactively

[3] **Formerly known as Construction