Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 9,473	$ 7,612
Trade accounts receivable, net of allowance for doubtful accounts of $211 and $211, respectively	9,533	9,296
Inventories	6,924	7,182
Prepaid expenses and other current assets	712	805
Total current assets	26,642	24,895
Property and equipment:
Machinery and equipment	5,531	5,269
Leasehold improvements	2,628	2,424
Gross property and equipment	8,159	7,693
Less: accumulated depreciation	(5,742)	(5,273)
Net property and equipment	2,417	2,420
Right-of-use assets, net	7,094	4,842
Goodwill	13,738	13,738
Intangible assets, net	12,727	13,654
Restricted certificates of deposit	140	140
Other assets	31	26
Total assets	62,789	59,715
Current liabilities:
Accounts payable	2,203	1,984
Accrued wages and benefits	2,028	2,007
Accrued professional fees	852	805
Customer deposits and deferred revenue	1,392	456
Accrued sales commissions	441	442
Current portion of operating lease liabilities	1,299	1,302
Domestic and foreign income taxes payable	631	868
Other current liabilities	438	497
Total current liabilities	9,284	8,361
Operating lease liabilities, net of current portion	6,049	3,794
Deferred tax liabilities	2,182	2,263
Other liabilities	451	463
Total liabilities	17,966	14,881
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,562,200 and 10,413,982 shares issued, respectively	106	104
Additional paid-in capital	26,660	26,256
Retained earnings	17,490	18,005
Accumulated other comprehensive earnings	771	673
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	44,823	44,834
Total liabilities and stockholders' equity	$ 62,789	$ 59,715