CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,944	$ 4,691
Accounts receivable, net	6,836	8,025
Inventories, net	14,387	12,835
Prepaid income taxes	663	809
Other current assets	1,115	677
Total current assets	24,945	27,037
Fixed assets, net of accumulated depreciation of $20,660 and $20,518, respectively	2,413	2,272
Right-of-use asset, net of accumulated amortization of $211 and $0	3,479	0
Goodwill	2,621	2,621
Deferred tax assets	2,239	2,198
Intangible assets, net of accumulated amortization of $3,542, and $3,487, respectively	746	797
Other assets	31	31
Total noncurrent assets	11,529	7,919
Total assets	36,474	34,956
Current liabilities:
Accounts payable	2,267	3,483
Accrued liabilities	2,002	2,765
Operating Lease, Liability, Current	909	0
Deferred revenue	402	384
Total current liabilities	5,580	6,632
Deferred revenue, net of current portion	240	265
Lease liability	2,808	0
Deferred rent, net of current portion	0	250
Other liabilities	218	242
Total noncurrent liabilities	3,266	757
Total liabilities	8,846	7,389
Shareholders' equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 11,500,502 and 11,463,141 shares issued, respectively; 7,455,660 and 7,418,299 shares outstanding, respectively	115	115
Additional paid-in capital	32,103	32,129
Retained earnings	27,593	27,515
Accumulated other comprehensive loss, net of tax	(73)	(82)
Treasury stock, at cost, 4,044,842 shares	(32,110)	(32,110)
Total shareholders' equity	27,628	27,567
Total liabilities and shareholders' equity	$ 36,474	$ 34,956