CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 13,013	$ 14,167
Trade accounts receivable, net of allowance for doubtful accounts of $83 and $66, respectively	4,502	2,494
Inventories	5,611	5,270
Other current assets	1,179	1,319
TOTAL CURRENT ASSETS	24,305	23,250
Property, plant and equipment - net	971	1,216
Other assets	1,614	1,126
TOTAL ASSETS	26,890	25,592
CURRENT LIABILITIES:
Accounts payable	1,720	1,245
Accrued compensation	1,700	1,509
Deferred revenue	1,340	1,068
Other accrued liabilities	1,293	1,307
Income taxes payable	93	62
TOTAL CURRENT LIABILITIES	6,146	5,191
Operating lease liabilities non	1,085	588
Long-term other payables	161	174
COMMITMENTS	0	0
STOCKHOLDERS' EQUITY
Preferred stock - Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior ParticipatingIssued and outstanding, none	0	0
Common stock, at stated value - Authorized, 30,000,000 sharesIssued and outstanding, 8,619,522 shares as of June 30, 2021 and 8,416,335 shares as of December 31, 2020	20,320	20,071
Accumulated earnings (deficit)	(1,818)	(1,456)
Accumulated other comprehensive income (loss)	996	1,024
TOTAL STOCKHOLDERS' EQUITY	19,498	19,639
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 26,890	$ 25,592