CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,555	$ 4,473
Accounts receivable, net	10,369	7,174
Inventories	9,019	11,296
Prepaid income taxes	200
Deferred tax assets	1,762	1,932
Other current assets	480	437
Total current assets	24,385	25,312
Fixed assets, net of accumulated depreciation of $18,771 and 18,336, respectively	2,441	2,507
Goodwill	2,621	2,621
Deferred tax assets	1,223	1,213
Intangible assets, net of accumulated amortization of $2,943, and $2,779, respectively	724	888
Other assets	28	28
	7,037	7,257
Total assets	31,422	32,569
Current liabilities:
Accounts payable	4,512	2,642
Accrued liabilities	2,183	2,838
Income taxes payable	4	245
Deferred revenue	152	604
Total current liabilities	6,851	6,329
Deferred revenue, net of current portion	78	77
Deferred rent, net of current portion	199	189
Other liabilities	284	246
	561	512
Total liabilities	7,412	6,841
Shareholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 11,185,331 and 11,170,881 shares issued, respectively; 7,508,951 and 7,782,292 shares outstanding, respectively	112	112
Additional paid-in capital	29,348	28,921
Retained earnings	23,102	22,956
Accumulated other comprehensive loss, net of tax	(98)	(80)
Treasury stock, at cost, 3,676,380 and 3,388,589 shares, respectively	(28,454)	(26,181)
Total shareholders’ equity	24,010	25,728
Total liabilities and shareholders’ equity	$ 31,422	$ 32,569