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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Condensed Consolidated Balance Sheets    
Allowance For Doubtful Accounts - Trade Receivables $ 50 $ 72
Preferred Stock, Par Value $ 0.001 $ 0.001
Preferred Stock, Authorized 5,000,000 5,000,000
Preferred Stock, Issued 0 0
Common Stock, Par Value $ 0.001 $ 0.001
Common Stock, Authorized 50,000,000 50,000,000
Common Stock, Issued 22,395,477 22,054,239
Common Stock, Outstanding 22,395,477 22,054,239