Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 9,248	$ 6,944
Marketable securities	5,771	6,670
Accounts receivable, less allowance for doubtful accounts of $314 at December 31, 2018 and $473 at December 31, 2017	15,859	10,772
Inventories	16,163	14,393
Other current assets	2,096	1,593
Total current assets	49,137	40,372
Marketable securities, long-term	10,322	9,073
Equipment and leasehold improvements, net	2,861	2,307
Intangibles, net	333	380
Goodwill	1,366	1,366
Other assets	259	261
Deferred tax assets	5,422	5,742
Total assets	69,700	59,501
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	8,513	4,294
Advance customer payments	636	393
Accrued expenses	3,568	2,285
Total current liabilities	12,717	6,972
Other liabilities	629	88
Reserve for income taxes	143	159
Total liabilities	13,489	7,219
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, 7,100,825 shares issued and outstanding at December 31, 2018 and 6,979,686 shares issued and outstanding at December 31, 2017	35,637	34,080
Accumulated other comprehensive loss	(1,690)	(1,409)
Retained earnings	22,264	19,611
Total stockholders’ equity	56,211	52,282
Total liabilities and stockholders’ equity	$ 69,700	$ 59,501