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Subsequent Event (Details Narrative) - Subsequent Event
$ / shares in Units, $ in Thousands
Oct. 01, 2021
USD ($)
$ / shares
shares
2022  
Additional Warrants exercisable 1,000,000.0
Warrants exercisable period three
Warrants exercisable 150,000
2023  
Additional Warrants exercisable 1,000,000.0
Warrants exercisable period three
Warrants exercisable 125,000
2021  
Additional Warrants exercisable 250,000
Warrants exercisable period four
Acquisition of specified assets purchase price paid in cash | $ $ 4,750
Warrants to purchase common stock shares 75,000
Warrants to purchase common stock shares exercise price | $ / shares $ 5.33
2024  
Additional Warrants exercisable 1,000,000.0
Warrants exercisable period three
Warrants exercisable 125,000