Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 25,003	$ 25,710
Trade accounts receivable, net of allowance for doubtful accounts of $146 and $146, respectively	6,741	4,395
Inventories	3,314	3,520
Prepaid expenses and other current assets	296	639
Total current assets	35,354	34,264
Property and equipment:
Machinery and equipment	4,337	4,377
Leasehold improvements	603	603
Gross property and equipment	4,940	4,980
Less: accumulated depreciation	(3,963)	(3,868)
Net property and equipment	977	1,112
Deferred tax assets	1,143	1,245
Goodwill	1,706	1,706
Intangible assets, net	988	1,104
Restricted certificates of deposit	225	350
Other assets	214	203
Total assets	40,607	39,984
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,474	909
Accrued wages and benefits	1,426	1,466
Accrued rent	578	657
Accrued professional fees	494	363
Accrued sales commissions	390	297
Other current liabilities	304	367
Total current liabilities	4,666	4,059
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; 10,422,598 and 10,549,423 shares issued, respectively	104	105
Addtional paid-in capital	25,695	26,286
Retained earnings	9,580	9,013
Accumulated other comprehensive earnings	766	725
Treasury stock, at cost; 33,077 and 33,077 shares, respectively	(204)	(204)
Total stockholders' equity	35,941	35,925
Total liabilities and stockholders' equity	$ 40,607	$ 39,984