Annual report pursuant to Section 13 and 15(d)

Summary of Shareholders Equity Warrants Outstanding (Details)

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Summary of Shareholders Equity Warrants Outstanding (Details) - shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Equity [Abstract]    
Shares Outstanding, beginning 5,397,000 [1] 5,799,000
Shares Issued
Shares Exercised (2,576,000) [2] (402,000)
Shares Tendered
Shares Expired (1,493,000)
Shares Outstanding, ending 1,328,000 [3] 5,397,000 [1]
[1] Weighted average exercise price for outstanding warrants is $0.62.
[2] Converted into approximately 1,737 thousand shares of common stock.
[3] Weighted average exercise price for outstanding warrants is $0.55.