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Subsequent Events [Text Block] (Details)
1 Months Ended
Apr. 24, 2020
USD ($)
shares
Apr. 30, 2020
USD ($)
Apr. 15, 2020
Tender Offer      
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | shares 1,000,000    
Stock Repurchase Program Authorized Share Price 27.00    
Torchlight Technology Group Acquisition Member      
Business Acquisition, Percentage of Voting Interests Acquired     76.93%
Payments to Acquire Businesses, Gross   $ 11,443,000