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Warrants
6 Months Ended
Jun. 30, 2021
Warrants [Abstract]  
Warrants
Note 10
Warrants:
 
At December 31, 2020, the Company had 19,812 outstanding common stock warrants at an exercise price of $5.30. These warrants expired on January 29, 2021. There are no outstanding common stock warrants at June 30, 2021.