CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 6,702	$ 11,691
Contract receivables, net	10,494	17,207
Prepaid expenses and other current assets	1,554	1,880
Total current assets	18,750	30,778
Equipment, software and leasehold improvements, net	616	939
Software development costs, net	630	641
Goodwill	13,339	13,339
Intangible assets, net	4,234	10,479
Deferred tax assets	0	57
Operating lease right-of-use assets, net	1,562	2,215
Other assets	59	61
Total assets	39,190	58,509
Current liabilities
Line of credit	3,006	0
Paycheck Protection Program Loan, current portion	5,034	0
Debt, net of issuance costs and discount	0	18,481
Accounts payable	570	1,097
Accrued expenses	1,297	1,871
Accrued compensation	1,505	1,876
Billings in excess of revenue earned	5,285	7,613
Accrued warranty	665	921
Income taxes payable	1,621	1,341
Other current liabilities	2,498	1,234
Total current liabilities	21,481	34,434
Paycheck Protection Program Loan, noncurrent portion	5,034	0
Operating lease liabilities noncurrent	1,831	3,000
Other noncurrent liabilities	339	956
Total liabilities	28,685	38,390
Commitments and contingencies (Note 16)
Stockholder's equity
Preferred stock $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock $0.01 par value; 60,000,000 shares authorized, 22,192,569 and 21,838,963 shares issued, 20,593,658 and 20,240,052 shares outstanding, respectively	222	218
Additional paid-in capital	79,687	79,400
Accumulated deficit	(65,191)	(54,654)
Accumulated other comprehensive loss	(1,214)	(1,846)
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	10,505	20,119
Total liabilities and stockholders' equity	$ 39,190	$ 58,509