Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Additional Information (Details)

v3.21.1
Notes Payable - Additional Information (Details)
3 Months Ended
Feb. 04, 2021
USD ($)
shares
May 01, 2020
USD ($)
shares
Apr. 16, 2020
USD ($)
d
$ / shares
Nov. 25, 2019
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]            
Notes, interest rate description         Interest on the Business Combination Convertible Notes will accrue at a fixed interest rate equal to the one-year US dollar LIBOR interest rate published in The Wall Street Journal on the Business Combination Date, plus a margin of one percent (1%) per annum. Interest will be due and payable annually on each of (1) the date which is the twelve-month anniversary of the Business Combination Date and (2) on the date which is the twenty-four-month anniversary of the Business Combination Date. All interest shall be computed on the basis of a 365-day year and the actual number of days elapsed.  
Contractual Interest Rate, Percentage         1.00%  
Outstanding principal balance         50.00%  
Number of business days after the Company receives such Payoff Financing Proceeds         10 days  
Percentage of remaining outstanding principal balance         100.00%  
Notes converted description         Business Combination Convertible Notes are not paid in full on or before the applicable Maturity Date, then at any time after the sixtieth business day after the Maturity Date, assuming payment in full has not been made prior to such date, the outstanding principal amount of these notes, together with all accrued but unpaid interest on these notes, may be converted into shares of Company common stock, in part or in whole, at the option of the holder of these notes by providing written notice at least three business days prior to the date of conversion.  
Business combination transaction related costs       $ 13,100,000 $ 405,000  
Common stock value         3,000 $ 3,000
Warrants issued | shares   0        
Cowen Investments and Chardan            
Debt Instrument [Line Items]            
Aggregate settlement of investment shares | shares   440,595        
Debt instrument face amount   $ 2,700,000        
Cowen Investments            
Debt Instrument [Line Items]            
Aggregate settlement of investment shares | shares   374,506        
Debt instrument face amount   $ 2,300,000       2,300,000
Conversion of common stock shares | shares 303,171 303,171        
Business combination contingent consideration liability except accrued interest payable $ 0          
Chardan            
Debt Instrument [Line Items]            
Aggregate settlement of investment shares | shares   66,089        
Loss on settlement   $ (200,000)        
Debt instrument face amount   $ 405,000     $ 405,000 405,000
Conversion of common stock shares | shares   53,501        
Cowen and Company, LLC and Chardan Capital markets, LLC            
Debt Instrument [Line Items]            
Business combination transaction related costs     $ 5,400,000      
Resale Registration Statement | Cowen and Company, LLC and Chardan Capital markets, LLC            
Debt Instrument [Line Items]            
Common stock value     $ 2,700,000      
Warrants exercise price | $ / shares     $ 0.01      
Beneficial ownership limitation percentage     4.99%      
Settlement shares, threshold percentage     15.00%      
Settlement shares, trailing days | d     10      
Maximum            
Debt Instrument [Line Items]            
Contractual Interest Rate, Percentage         7.60%  
Proceeds from equity financing         $ 50,000,000.0  
Cash received from payoff financing proceeds         $ 75,000,000.0  
Minimum            
Debt Instrument [Line Items]            
Contractual Interest Rate, Percentage         0.60%  
Other Current Liabilities | Cowen Investments            
Debt Instrument [Line Items]            
Accrued interest           63,000
Other Current Liabilities | Chardan            
Debt Instrument [Line Items]            
Accrued interest         $ 19,000 $ 14,000
Non-convertible Notes            
Debt Instrument [Line Items]            
Notes payable         0  
Business Combination Convertible Notes            
Debt Instrument [Line Items]            
Notes payable         $ 3,750,000  
Outstanding principal balance         50.00%  
Business Combination Convertible Notes | Other Current Liabilities            
Debt Instrument [Line Items]            
Accrued interest         $ 65,000  
Convertible Notes | Resale Registration Statement | Cowen and Company, LLC and Chardan Capital markets, LLC            
Debt Instrument [Line Items]            
Convertible notes     $ 2,700,000      
Debt instrument, term     3 years      
Repaid earlier interest rate issuance term     1 year      
Repaid after interest rate issuance term     2 years      
Interest rate     5.00%      
Convertible notes, threshold percentage     5.00%      
Convertible notes, trailing days | d     10      
Esse Effe S.p.A            
Debt Instrument [Line Items]            
Prepayment amount transferred       6,000,000.0    
Esse Effe S.p.A | Business Combination Convertible Notes            
Debt Instrument [Line Items]            
Notes payable         3,000,000.0  
Accrued interest         176,000  
Maya            
Debt Instrument [Line Items]            
Prepayment amount transferred       $ 1,500,000    
Maya | Business Combination Convertible Notes            
Debt Instrument [Line Items]            
Notes payable         750,000  
Accrued interest         $ 44,000