CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 7,233	$ 10,640
Marketable securities	6,143	6,493
Accounts receivable, less allowance for doubtful accounts of $533 at June 30, 2017 and $547 at December 31, 2016	13,759	10,895
Inventories	16,186	11,531
Other current assets	1,644	1,535
Total current assets	44,965	41,094
Marketable securities, long-term	9,312	8,728
Equipment and leasehold improvements, net	2,339	2,438
Intangible assets, net	424	438
Goodwill	1,366	1,366
Other assets	200	193
Deferred tax assets	5,389	5,323
Total assets	63,995	59,580
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	9,580	6,217
Advance customer payments	568	328
Accrued expenses	2,444	3,756
Total current liabilities	12,592	10,301
Other liabilities	175	250
Reserve for income taxes	131	131
Total liabilities	12,898	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, 6,952,861 shares issued and outstanding at June 30, 2017 and 6,901,887 shares issued and outstanding at December 31, 2016	33,545	32,801
Accumulated other comprehensive loss	(1,628)	(1,940)
Retained earnings	19,180	18,037
Total stockholders’ equity	51,097	48,898
Total liabilities and stockholders’ equity	$ 63,995	$ 59,580