Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 7,424	$ 7,612
Trade accounts receivable, net of allowance for doubtful accounts of $210 and $211, respectively	9,457	9,296
Inventories	7,930	7,182
Prepaid expenses and other current assets	445	805
Total current assets	25,256	24,895
Property and equipment:
Machinery and equipment	5,452	5,269
Leasehold improvements	2,424	2,424
Gross property and equipment	7,876	7,693
Less: accumulated depreciation	(5,581)	(5,273)
Net property and equipment	2,295	2,420
Right-of-use assets, net	5,365	4,842
Goodwill	13,738	13,738
Intangible assets, net	13,034	13,654
Restricted certificates of deposit	140	140
Other assets	30	26
Total assets	59,858	59,715
Current liabilities:
Accounts payable	2,618	1,984
Accrued wages and benefits	1,873	2,007
Accrued professional fees	740	805
Customer deposits and deferred revenue	670	456
Accrued sales commissions	483	442
Current portion of operating lease liabilities	1,237	1,302
Domestic and foreign income taxes payable	768	868
Other current liabilities	401	497
Total current liabilities	8,790	8,361
Operating lease liabilities, net of current portion	4,383	3,794
Deferred tax liabilities	2,054	2,263
Other liabilities	452	463
Total liabilities	15,679	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; 10,459,150 and 10,413,982 shares issued, respectively	105	104
Additional paid-in capital	26,576	26,256
Retained earnings	17,032	18,005
Accumulated other comprehensive earnings	670	673
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	44,179	44,834
Total liabilities and stockholders' equity	$ 59,858	$ 59,715