Quarterly report pursuant to Section 13 or 15(d)

WARRANTS - RTI Warrant Activity (Details)

v3.21.2
WARRANTS - RTI Warrant Activity (Details) - $ / shares
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 17, 2021
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Number of warrants            
Ending balance, Number of warrants (in shares) 5,900,000          
Additional disclosures            
Weighted average remaining contractual term (years) 5 years          
Common Stock            
Number of warrants            
Beginning balance, Number of warrants (in shares)   971,000 971,000 971,000 971,000 971,000
Granted, Number of warrants (in shares)       0 0  
Exercised, Number of warrants (in shares)       0 0  
Ending balance, Number of warrants (in shares)       971,000 971,000 971,000
Exercisable, Number of warrants (in shares)       971,000 971,000  
Weighted average exercise price            
Beginning balance, Weighted average exercise price (in usd per share)   $ 5.56 $ 5.56 $ 5.56 $ 5.56 $ 5.56
Ending balance, Weighted average exercise price (in usd per share)       5.56 5.56 5.56
Weighted average grant date fair value            
Beginning balance, Weighted average grant date fair value (in usd per share)   $ 0.03 $ 0.03 0.03 0.03 0.03
Ending balance, Weighted average grant date fair value (in usd per share)       $ 0.03 $ 0.03 $ 0.03
Additional disclosures            
Weighted average remaining contractual term (years)   4 years 5 years 3 years 6 months 4 years 6 months