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7. Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Schedule of repurchased shares
   Total Number
of Shares
Purchased
   Average
Price
paid per
Share
   Approximate Dollar
Value of Shares that
May Yet be Purchased
under the Program
   Plan Expiration Date
                
March 20, 2020 - March 31, 2020   576,898   $2.28   $8,686,000   July 31, 2020
Totals for 2020   576,898   $2.28