CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (6,177)	$ (273)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Share-based compensation	113	200
Depreciation and amortization	843	1,046
Gain on sale of property, plant and equipment	0	(8)
Bad debt expense	426	0
Non-cash lease expense	10	22
Loss on asset impairment	4,490	0
Changes in operating assets and liabilities:
Accounts receivable	126	(2,334)
Contract assets	539	890
Prepaid expenses and other current assets	45	(57)
Other assets	(136)	(31)
Accounts payable and accrued liabilities	(60)	(543)
Contract liabilities	(175)	(443)
Net cash provided by (used in) operating activities	44	(1,531)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	0	88
Purchases of property, plant and equipment	(118)	(66)
Payments received on note receivable (included in Prepaid expenses and other current assets)	10	515
Short term investment - (certificate of deposit)	0	1,035
Net cash provided by (used in) investing activities	(108)	1,572
Cash flows from financing activities:
Principal payment on long-term debt	0	(56)
Repurchase of common shares	(525)	(218)
Proceeds from PPP loan	1,111	0
Net cash provided by (used in) financing activities	586	(274)
Change in cash	522	(233)
Cash, beginning of period	3,523	2,015
Cash, end of period	$ 4,045	$ 1,782