CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (5,927)	$ 100
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Share-based compensation	74	128
Depreciation and amortization	604	697
Gain on sale of property, plant and equipment	0	15
Bad debt expense	448	0
Non-cash lease expense	5	17
Loss on asset impairment	4,490	0
Changes in operating assets and liabilities:
Accounts receivable	(348)	(760)
Contract assets	229	712
Prepaid expenses and other current assets	51	(89)
Other assets	(200)	39
Accounts payable and accrued liabilities	(110)	(495)
Contract liabilities	333	(731)
Net cash used in operating activities	(351)	(397)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	0	42
Purchases of property, plant and equipment	(102)	(7)
Payments received on note receivable (included in Prepaid expenses and other current assets)	7	510
Short term investment - (certificate of deposit)	0	1,035
Net cash provided by (used in) investing activities	(95)	1,580
Cash flows from financing activities:
Principal payment on long-term debt	0	(6)
Repurchase of common shares	(524)	(218)
Proceeds from PPP loan	1,111	0
Net cash provided by (used in) financing activities	587	(224)
Change in cash	141	959
Cash, beginning of period	3,523	2,015
Cash, end of period	$ 3,664	$ 2,974