CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 8,876	$ 13,684
Marketable securities	11,794	7,327
Accounts receivable, less allowances of $435 at June 30, 2022 and $355 at December 31, 2021	28,050	19,821
Inventories	29,645	27,602
Prepaid expenses	697	808
Other current assets	2,219	864
Total current assets	81,281	70,106
Marketable securities, long-term	16,081	17,281
Equipment and leasehold improvements, net	3,281	3,174
Intangible assets, net	342	375
Goodwill	1,366	1,366
Right-of-use assets (operating leases)	1,752	2,052
Deferred tax assets	3,509	3,668
Total assets	107,612	98,022
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	12,894	10,275
Advance customer payments	713	599
Accrued expenses	3,778	4,418
Current operating lease liabilities	870	864
Total current liabilities	18,255	16,156
Other liabilities	155	177
Long-term operating lease liabilities	1,934	2,369
Reserve for income taxes	213	214
Total liabilities	20,557	18,916
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, 7,413,983 shares issued and outstanding at June 30, 2022 and 7,391,906 shares issued and outstanding at December 31, 2021	40,016	39,052
Accumulated other comprehensive loss	(2,505)	(1,510)
Retained earnings	49,544	41,564
Total stockholders’ equity	87,055	79,106
Total liabilities and stockholders’ equity	$ 107,612	$ 98,022