Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 26,506	$ 25,006
Accounts receivable, net	16,435	16,269
Receivable from sale of HSOR business	0	2,501
Contract assets	3,220	2,759
Inventory, net	11,231	10,294
Prepaid expenses and other current assets	1,691	1,287
Total current assets	59,083	58,116
Property and equipment, net	3,078	3,466
Intangible assets, net	9,544	10,194
Goodwill	10,542	10,542
Long-term contract assets	496	449
Other assets	7,053	2,341
Deferred tax asset	1,426	1,416
Total assets	91,222	86,524
Current liabilities:
Accounts payable	2,763	2,787
Accrued liabilities	8,150	10,369
Contract liabilities	3,368	3,888
Total current liabilities	14,281	17,044
Other long-term liabilities	7,140	2,011
Total liabilities	21,421	19,055
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock, par value $0.001, 100,000,000 shares authorized, 32,470,276 and 31,788,896 shares issued, 30,797,535 and 30,149,105 shares outstanding at June 30, 2020 and December 31, 2019, respectively	32	32
Treasury stock at cost, 1,672,741 and 1,639,791 shares at June 30, 2020 and December 31, 2019, respectively	(4,541)	(4,337)
Additional paid-in capital	90,305	88,022
Accumulated deficit	(15,995)	(16,248)
Total stockholders’ equity	69,801	67,469
Total liabilities and stockholders’ equity	$ 91,222	$ 86,524