CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 19,111	$ 21,747
Restricted cash	960	1,140
Contract receivables, net	13,997	18,863
Prepaid expenses and other current assets	2,795	2,052
Total current assets	36,863	43,802
Equipment, software, and leasehold improvements	4,782	6,759
Accumulated depreciation	(3,719)	(5,527)
Equipment, software, and leasehold improvements, net	1,063	1,232
Software development costs, net	690	982
Goodwill	8,431	5,612
Intangible assets, net	2,604	454
Deferred Tax Assets, Net, Noncurrent	7,167	0
Other assets	37	1,574
Total assets	56,855	53,656
Current liabilities
Accounts payable	1,251	923
Accrued expenses	2,276	2,437
Accrued compensation	2,866	2,624
Billings in excess of revenue earned	14,543	21,444
Accrued warranty	1,433	1,137
Current contingent consideration	1,701	2,105
Other current liabilities	1,182	716
Total current liabilities	25,252	31,386
Other liabilities	1,931	1,149
Total liabilities	27,183	32,535
Commitments and contingencies
Stockholder's equity
Preferred stock $.01 par value, 2,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock $.01 par value, 30,000,000 shares authorized, 21,024,395 and 20,433,608 shares issued and 19,425,484 and 18,834,697 shares outstanding in 2017 and 2016	210	204
Additional paid-in capital	76,802	75,120
Accumulated deficit	(42,870)	(49,427)
Accumulated other comprehensive loss	(1,471)	(1,777)
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	29,672	21,121
Total liabilities and stockholders' equity	$ 56,855	$ 53,656