Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 18,365,000	$ 15,212,000
Marketable securities	29,907,000	25,000
Accounts receivable, net of allowance for doubtful accounts of $1,589 and $2,390 as of December 31, 2019 & December 31, 2018, respectively	32,891,000	28,592,000
Inventories	23,465,000	22,942,000
Prepaid expenses and other current assets	3,188,000	2,532,000
Current contract assets	1,458,000	3,566,000
Current assets held for sale	0	4,871,000
Total current assets	109,274,000	77,740,000
Property and equipment, net	53,584,000	50,633,000
Intangible assets, net	4,943,000	5,661,000
Goodwill	15,408,000	15,031,000
Right of use assets	6,286,000
Other non-current assets	6,443,000	5,484,000
Non-current contract assets	3,408,000	6,971,000
Non-current deferred income tax asset	45,000	226,000
Non-current assets held for sale	0	25,906,000
Total assets	199,391,000	187,652,000
Current liabilities:
Accounts payable	15,031,000	16,735,000
Accrued compensation and employee-related expenses	5,637,000	4,947,000
Accrued other	7,733,000	9,100,000
Accrued product warranty costs	2,194,000	1,916,000
Current portion of long-term debt	0	9,928,000
Contract liabilities	4,443,000	7,647,000
Current operating lease liability	2,831,000
Liability for uncertain tax positions	521,000	893,000
Current liabilities held for sale	0	4,844,000
Total current liabilities	38,390,000	56,010,000
Other long-term liabilities	1,292,000	1,920,000
Long-term operating lease liability	3,482,000
Long-term contract liabilities	5,476,000	9,070,000
Long-term debt, excluding current portion	0	19,437,000
Non-current deferred income tax liability	762,000	966,000
Non-current liabilities held for sale	0	734,000
Total liabilities	49,402,000	88,137,000
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value. Authorized 1,000,000 shares; none issued	0	0
Common stock, $0.01 par value. Authorized 30,000,000 shares, 19,398,699 and 19,026,393 shares issued at December 31, 2019 and December 31, 2018, respectively; and 18,001,261 and 17,743,971 shares outstanding at December 31, 2019 and December 31, 2018, respectively	194,000	190,000
Additional paid-in capital	144,485,000	139,617,000
Accumulated earnings (deficit)	19,538,000	(15,397,000)
Accumulated other comprehensive loss	(2,767,000)	(14,731,000)
Total Stockholders equity before treasury stock adjustment	161,450,000	109,679,000
Less: treasury stock at cost, common stock, 1,397,438 and 1,282,422 shares as of December 31, 2019 and December 31, 2018, respectively	(11,461,000)	(10,164,000)
Total stockholders’ equity	149,989,000	99,515,000
Total liabilities and stockholders’ equity	$ 199,391,000	$ 187,652,000