CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 13,273	$ 13,936
Trade accounts receivable, net of allowance for doubtful accounts of $73 and $80, respectively	2,840	4,099
Inventories	4,731	5,020
Other current assets	2,000	924
Total current assets	22,844	23,979
Property, plant and equipment - net	1,602	1,668
Income tax receivable	0	640
Other assets	1,717	1,994
Total assets	26,163	28,281
CURRENT LIABILITIES:
Accounts payable	908	1,151
Accrued compensation	1,304	1,541
Deferred revenue	1,334	1,387
Other accrued liabilities	1,259	1,372
Income taxes payable	64	31
Total current liabilities	4,869	5,482
Operating lease liabilities	834	1,178
Long-term other payables	150	91
Commitments	0	0
STOCKHOLDERS' EQUITY
Preferred stock - authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating, issued and outstanding, none	0	0
Common stock, at stated value - authorized, 30,000,000 shares, Issued and outstanding, 8,390,943 shares as of June 30, 2020 and 8,212,748 shares as of December 31, 2019	19,319	18,748
Accumulated earnings	897	2,508
Accumulated other comprehensive income (loss)	94	274
Total stockholders' equity	20,310	21,530
Total liabilities and stockholders' equity	$ 26,163	$ 28,281