CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,082	$ 4,203
Accounts receivable, net	3,290	6,418
Note receivable	100	1,017
Inventories	11,905	12,099
Prepaid income taxes	126	180
Other current assets	970	998
Total current assets	19,473	24,915
Fixed assets, net of accumulated depreciation of $19,334 and $19,010, respectively	2,396	2,244
Note receivable, net of current portion	1,547	0
Right-of-use asset	3,970	2,855
Goodwill	2,621	2,621
Deferred tax assets	4,057	2,565
Intangible assets, net of accumulated amortization of $3,896 and $3,771, respectively	692	817
Other assets	218	44
Total noncurrent assets	15,501	11,146
Total assets	34,974	36,061
Current liabilities:
Accounts payable	1,316	2,960
Accrued liabilities	2,638	3,041
Revolving bank loan payable	6	0
Lease liability	878	945
Deferred revenue	519	700
Total current liabilities	5,357	7,646
Long-term debt	2,173	0
Deferred revenue, net of current portion	145	219
Lease liability, net of current portion	3,241	2,104
Other liabilities	170	166
Total noncurrent liabilities	5,729	2,489
Total liabilities	11,086	10,135
Shareholders' equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 11,592,202 and 11,515,090 shares issued, respectively; 7,547,360 and 7,470,248 shares outstanding, respectively	116	115
Additional paid-in capital	33,329	32,604
Retained earnings	22,503	25,348
Accumulated other comprehensive income (loss), net of tax	50	(31)
Treasury stock, at cost, 4,044,842 shares	(32,110)	(32,110)
Total shareholders' equity	23,888	25,926
Total liabilities and shareholders' equity	$ 34,974	$ 36,061