Consolidated Balance Sheets - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 14,755,000	$ 15,366,000
Accounts receivable, net	19,557,000	21,928,000
Contract assets	2,883,000	4,139,000
Inventory	25,350,000	23,062,000
Prepaid expenses and other current assets	6,213,000	4,433,000
Assets held for sale	13,855,000	6,541,000
Total current assets	82,613,000	75,469,000
Property and equipment, net	2,820,000	2,917,000
Intangible assets, net	17,819,000	19,994,000
Goodwill	18,979,000	18,121,000
Operating lease right-of-use asset	5,497,000	5,984,000
Other non-current assets	246,000	369,000
Deferred tax asset	1,707,000	1,689,000
Non-current assets held for sale	0	6,459,000
Total assets	129,681,000	131,002,000
Current liabilities:
Current portion of long-term debt obligations	4,167,000	4,167,000
Accounts payable	2,585,000	2,852,000
Accrued and other current liabilities	10,826,000	10,773,000
Contract liabilities	4,967,000	6,698,000
Current portion of operating lease liability	2,020,000	1,876,000
Liabilities associated with assets held for sale	9,091,000	3,719,000
Total current liabilities	33,656,000	30,085,000
Long-term debt obligations	12,709,000	15,817,000
Long-term portion of operating lease liability	4,073,000	5,034,000
Other long-term liabilities	374,000	410,000
Non-current liabilities associated with assets held for sale	0	5,214,000
Total liabilities	50,812,000	56,560,000
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock, par value $0.001, 100,000,000 shares authorized, 33,511,899 and 32,724,512 shares issued, 31,961,907 and 31,024,537 shares outstanding at September 30, 2021 and December 31, 2020, respectively	34,000	33,000
Treasury stock at cost, 1,739,455 and 1,699,975 shares at September 30, 2021 and December 31, 2020, respectively	(5,209,000)	(4,789,000)
Additional paid-in capital	97,238,000	92,403,000
Accumulated deficit	(13,150,000)	(12,957,000)
Accumulated other comprehensive loss	(44,000)	(248,000)
Total stockholders’ equity	78,869,000	74,442,000
Total liabilities and stockholders’ equity	$ 129,681,000	$ 131,002,000