CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 14,093	$ 11,084
Restricted cash	1,601	1,771
Contract receivables, net	16,430	13,053
Prepaid expenses and other current assets	2,715	2,506
Total current assets	34,839	28,414
Equipment, software and leasehold improvements	6,862	7,003
Accumulated depreciation	(5,559)	(5,407)
Equipment, software and leasehold improvements, net	1,303	1,596
Software development costs, net	1,045	1,145
Goodwill	5,612	5,612
Intangible assets, net	533	775
Long-term restricted cash	1,735	1,779
Other assets	65	50
Total assets	45,132	39,371
Current liabilities:
Accounts payable	2,367	1,238
Accrued expenses	1,930	1,723
Accrued compensation	3,196	2,431
Billings in excess of revenue earned	12,358	9,229
Accrued warranty	1,534	1,614
Current contingent consideration	731	2,647
Other current liabilities	827	826
Total current liabilities	22,943	19,708
Contingent consideration	1,210	1,085
Other liabilities	866	210
Total liabilities	25,019	21,003
Commitments and contingencies
Stockholders' 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, 20,281,920 shares issued and 18,683,009 shares outstanding in 2016, 19,510,770 shares issued and 17,911,859 shares outstanding in 2015	203	195
Additional paid-in capital	74,952	73,481
Accumulated deficit	(50,431)	(50,849)
Accumulated other comprehensive loss	(1,612)	(1,460)
Treasury stock at cost, 1,598,911 shares in 2016 and 2015	(2,999)	(2,999)
Total stockholders' equity	20,113	18,368
Total liabilities and stockholders' equity	$ 45,132	$ 39,371