Quarterly report pursuant to Section 13 or 15(d)

ORGANIZATION AND BUSINESS - Narrative (Details)

v3.21.2
ORGANIZATION AND BUSINESS - Narrative (Details)
9 Months Ended 12 Months Ended
Nov. 15, 2021
USD ($)
Dec. 08, 2020
USD ($)
Sep. 30, 2021
USD ($)
segment
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Number of operating segments | segment     2    
Gain on termination of lease     $ 906,000 $ 352,000 $ 400,000
Convertible Debt Due 2022 | Convertible Debt | Subsequent Event          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Total convertible note $ 1,060,000.00        
Additional convertible debt 4,200,000        
Proceeds from lines of credit $ 5,300,000        
SPA          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Value of shares (up to)   $ 10,000,000.0      
Level 1          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Money market funds classified as cash and cash equivalents     1,700,000   2,400,000
Restricted cash comprised of certificates of deposit         500,000
Liabilities     0   0
Level 2          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Liabilities     0   0
Assets     0   0
Level 3          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Liabilities     0   0
Assets     $ 0   $ 0