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Summary of Significant Accounting Policies (Details 3) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Summary of Significant Accounting Policies        
Denominator for basic net loss per share - weighted average shares 1,755,000 1,725,000 1,753,000 1,725,000
Effect of dilutive securities:        
Denominator for diluted net loss per share - weighted average shares 1,755,000 1,725,000 1,753,000 1,725,000