Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 7,775	$ 6,261	$ 13,463	$ 11,720
Cost of revenues	6,731	4,540	11,860	8,812
Gross profit	1,044	1,721	1,603	2,908
Operating expenses:
Selling, general and administrative expense	6,787	4,463	13,979	9,298
Depreciation and amortization	1,424	384	1,831	790
Research and development	28	51	45	103
Provision for bad debt	2	61	8	128
Other operating (income) expense				(2)
Total operating expenses	8,241	4,959	15,863	10,317
Continuing loss from operations	(7,197)	(3,238)	(14,260)	(7,409)
Other income (expense)	234	(353)	(798)	(105)
Interest expense	(125)	(22)	(136)	(31)
Loss from continuing operations before income taxes and equity in net loss of affiliate	(7,088)	(3,613)	(15,194)	(7,545)
Net loss of affiliate	(4,360)	(356)	(4,806)	(356)
Loss from continuing operations before taxes	(11,448)	(3,969)	(20,000)	(7,901)
Income tax benefit	(1,550)	(280)	(3,150)	(454)
Loss from continuing operations, net of income taxes	(9,898)	(3,689)	(16,850)	(7,447)
Discontinued operations (Note 3)
Income from operations of discontinued power and electromechanical components businesses	595	1,313	109	2,289
Income tax (benefit) expense	22	(111)	(35)	110
Income from discontinued operations, net of income taxes	573	1,424	144	2,179
Net loss	$ (9,325)	$ (2,265)	$ (16,706)	$ (5,268)
Basic and diluted weighted average common shares outstanding (in shares)	30,424,896	28,634,766	29,422,813	28,609,324
Loss from continuing operations per common share - basic and diluted (in dollars per share)	$ (0.33)	$ (0.13)	$ (0.57)	$ (0.26)
Income from discontinued operations - basic and diluted (in dollars per share)	0.02	0.05	0	0.08
Loss per common share - basic and diluted (in dollars per share)	$ (0.31)	$ (0.08)	$ (0.57)	$ (0.18)