Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parentheticals)

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Consolidated Balance Sheets (Parentheticals) - USD ($)
shares in Thousands, $ in Thousands
Mar. 31, 2021
Dec. 31, 2020
 [1]
Accounts receivable, net of allowance (in Dollars) $ 351 $ 260
Preferred stock par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000 10,000
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, authorized 300,000 300,000
Common stock, issued 73,161 72,487
Common stock, outstanding 73,161 72,487
Series A Preferred Stock    
Preferred stock, shares authorized 1,684 1,684
Preferred stock, shares issued
Preferred stock, outstanding
Series B Preferred Stock    
Preferred stock, shares authorized 1,581 1,581
Preferred stock, shares issued 927 927
Preferred stock, outstanding 927 927
Liquidation preference (in Dollars) $ 19,975
Non-Voting Common Stock    
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, authorized 3,553 3,553
Common stock, issued 1 1
Common stock, outstanding 1 1
[1] Amounts derived from the audited financial statements for the year ended December 31, 2020.