Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 6,944	$ 10,640
Marketable securities	6,670	6,493
Accounts receivable, less allowance for doubtful accounts of $473 at December 31, 2017 and $547 at December 31, 2016	10,772	10,895
Inventories	14,393	11,531
Other current assets	1,593	1,535
Total current assets	40,372	41,094
Marketable securities, long-term	9,073	8,728
Equipment and leasehold improvements, net	2,307	2,438
Intangibles, net	380	438
Goodwill	1,366	1,366
Other assets	261	193
Deferred tax assets	5,742	5,323
Total assets	59,501	59,580
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	4,294	6,217
Advance customer payments	393	328
Accrued expenses	2,285	3,756
Total current liabilities	6,972	10,301
Other liabilities	88	250
Reserve for income taxes	159	131
Total liabilities	7,219	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, 6,979,686 shares issued and outstanding at December 31, 2017 and 6,901,887 shares issued and outstanding at December 31, 2016	34,080	32,801
Accumulated other comprehensive loss	(1,409)	(1,940)
Retained earnings	19,611	18,037
Total stockholders’ equity	52,282	48,898
Total liabilities and stockholders’ equity	$ 59,501	$ 59,580