CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 5,593	$ 10,640
Marketable securities	6,701	6,493
Accounts receivable, less allowance for doubtful accounts of $514 at September 30, 2017 and $547 at December 31, 2016	11,932	10,895
Inventories	16,634	11,531
Other current assets	1,739	1,535
Total current assets	42,599	41,094
Marketable securities, long-term	8,949	8,728
Equipment and leasehold improvements, net	2,303	2,438
Intangible assets, net	413	438
Goodwill	1,366	1,366
Other assets	202	193
Deferred tax assets	5,484	5,323
Total assets	61,316	59,580
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	7,083	6,217
Advance customer payments	325	328
Accrued expenses	2,014	3,756
Total current liabilities	9,422	10,301
Other liabilities	109	250
Reserve for income taxes	131	131
Total liabilities	9,662	10,682
Commitments and contingencies
Stockholders’ equity:
Preferred stock, no par value, 5,000,000 shares authorized, none outstanding	0	0
Common stock, no par value, 25,000,000 shares authorized, 6,972,515 shares issued and outstanding at September 30, 2017 and 6,901,887 shares issued and outstanding at December 31, 2016	34,052	32,801
Accumulated other comprehensive loss	(1,506)	(1,940)
Retained earnings	19,108	18,037
Total stockholders’ equity	51,654	48,898
Total liabilities and stockholders’ equity	$ 61,316	$ 59,580