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Nature of Activities and Summary of Significant Accounting Policies (Details 1) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Nature of Activities and Summary of Significant Accounting Policies            
Net loss $ (10,557,000) $ (18,112,000) $ 2,192,000 $ (12,052,000) $ (28,669,000) $ (9,860,000)
Weighted average shares outstanding-basic 30,924   20,683   28,781 20,668
Weighted average dilutive share equivalents from preferred shares 0   132   0 0
Weighted average dilutive share equivalents from stock options $ 0   $ 337   $ 0 $ 0
Shares:            
Weighted average shares outstanding-diluted 30,924   21,152   28,781 20,668
Income (loss) per share-basic $ (0.34)   $ 0.11   $ (1.00) $ (0.48)
Income (loss) per share-diluted $ (0.34)   $ 0.10   $ (1.00) $ (0.48)