CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 1,026	$ (8,407)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Loss on impairment	0	4,302
Depreciation	147	178
Amortization of intangible assets	643	1,114
Amortization of capitalized software development costs	204	159
Amortization of deferred financing costs	5	0
Stock-based compensation expense	501	324
Bad debt expense	(133)	93
(Gain) loss on derivative instruments, net	0	(4)
Deferred income taxes	0	57
Gain on sale of assets	0	(5)
Changes in assets and liabilities:
Contract receivables, net	(727)	4,656
Prepaid expenses and other assets	(5,690)	531
Accounts payable, accrued compensation and accrued expenses	1,510	309
Billings-in-excess of revenue earned	(599)	(396)
Accrued warranty	(179)	(110)
Other liabilities	2,163	(781)
Net cash (used in) provided by operating activities	(1,129)	2,020
Cash flows from investing activities:
Capital expenditures	(322)	(1)
Proceeds from sale of equipment	0	11
Capitalized software development costs	(149)	(152)
Net cash used in investing activities	(471)	(142)
Cash flows from financing activities:
Proceeds from line of credit	800	3,500
Repayment of line of credit	(1,489)	0
Repayment of insurance premium	(406)	0
Repayment of long-term debt	0	(8,595)
Proceeds from Paycheck Protection Program Loan	0	10,000
Shares withheld to pay taxes	(161)	(45)
Deferred financing costs	0	(70)
Net cash (used in) provided by financing activities	(1,256)	4,790
Effect of exchange rate changes on cash	(17)	(61)
Net (decrease) increase in cash and cash equivalents	(2,873)	6,607
Cash, cash equivalents at beginning of the period	6,702	11,691
Cash and cash equivalents at the end of the period	$ 3,829	$ 18,298