v3.22.2
Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 9,431,000 $ 19,162,000
Accounts receivable, net of allowance for doubtful accounts of $5 and $66 as of June 30, 2022 and December 31, 2021, respectively 801,000 549,000
Inventory 1,599,000 1,472,000
Prepaid expenses and other current assets 1,407,000 1,055,000
Total current assets 13,238,000 22,238,000
Property and equipment, net 1,114,000 1,554,000
Investment in unconsolidated limited liability company 0 577,000
Other assets 1,136,000 1,544,000
Total assets 15,488,000 25,913,000
Current liabilities:    
Accounts payable 904,000 1,480,000
Accrued liabilities 3,655,000 3,053,000
Note payable, current portion 5,453,000 0
Total current liabilities 10,012,000 4,533,000
Note payable, noncurrent portion 0 5,124,000
Other noncurrent liabilities 200,000 1,190,000
Total liabilities 10,212,000 10,847,000
Commitments and contingences (Note 9)
Stockholders’ equity:    
Additional paid-in capital 258,813,000 256,918,000
Accumulated deficit (253,538,000) (241,853,000)
Total stockholders’ equity 5,276,000 15,066,000
Total liabilities and stockholders’ equity 15,488,000 25,913,000
Series B Preferred Stock [Member]    
Stockholders’ equity:    
Convertible preferred stock $ 0 $ 0

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