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CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (UNAUDITED) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
CURRENT ASSETS:    
Cash and cash equivalents $ 13,621 $ 14,167
Trade accounts receivable, net of allowance for doubtful accounts of doubtful accounts of $69 and $66, respectively 3,342 2,494
Inventories 5,132 5,270
Other current assets 1,282 1,319
Total current assets 23,377 23,250
Property, plant and equipment - net 977 1,216
Other assets 990 1,126
Total assets 25,344 25,592
CURRENT LIABILITIES:    
Accounts payable 1,412 1,245
Accrued compensation 1,250 1,509
Deferred revenue 1,269 1,068
Other accrued liabilities 1,311 1,307
Income taxes payable 54 62
Total current liabilities 5,296 5,191
Operating lease liabilities 482 588
Long-term other payables 150 174
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, 8,421,599 shares as of March 31, 2021 and 8,416,335 shares as of December 31, 2020 20,361 20,071
Accumulated earnings (deficit) (1,789) (1,456)
Accumulated other comprehensive income (loss) 844 1,024
Total stockholders' equity 19,416 19,639
Total liabilities and stockholders' equity $ 25,344 $ 25,592