Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Additional Information (Details)

v3.20.2
Notes Payable - Additional Information (Details)
9 Months Ended
Jul. 02, 2020
USD ($)
May 01, 2020
USD ($)
shares
Apr. 16, 2020
USD ($)
d
$ / shares
Nov. 25, 2019
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]              
Notes payable due to related parties         $ 3,750,000   $ 9,411,000
Long-term portion of notes payable due to related parties         $ 3,750,000   7,500,000
Notes, interest rate description         Interest on the 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         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 Convertible Notes, may be converted into shares of Company common stock, in part or in whole, at the option of the holder of these Convertible Notes by providing written notice at least three business days prior to the date of conversion.    
Repayment of notes payable         $ 11,478,000    
Business combination transaction related costs       $ 13,100,000 2,700,000    
Common stock value         3,000   $ 2,000
Warrants issued | shares   0          
Long-term portion of notes payable         2,700,000    
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          
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    
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        
Cowen and Company, LLC and Chardan Capital markets, LLC | Resale Registration Statement              
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         $ 34,000    
Other Current Liabilities | Chardan              
Debt Instrument [Line Items]              
Accrued interest         8,000    
Convertible Notes              
Debt Instrument [Line Items]              
Notes payable         7,500,000    
Notes payable due to related parties         3,750,000    
Long-term portion of notes payable due to related parties         3,750,000    
Convertible Notes | Other Long-Term Liabilities              
Debt Instrument [Line Items]              
Accrued interest         186,000    
Non-convertible Notes              
Debt Instrument [Line Items]              
Notes payable         $ 0    
Notes, interest rate description         The Non-convertible Notes accrued interest at a fixed interest rate equal to LIBOR, which interest rate was one and ninety-one hundredths percent (1.91%), plus a margin of one percent (1%) per annum. As used herein, “LIBOR” means the one-year US Dollar LIBOR interest rate published in The Wall Street Journal on the Business Combination Date. All interest was computed on the basis of a 365-day year and the actual number of days elapsed.    
Number of business days after the Company receives such Financing Proceeds         10 days    
Notes, LIBOR interest rate         1.91%    
Non-convertible Notes | London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
Contractual Interest Rate, Percentage         1.00%    
Non-convertible Notes | Maximum              
Debt Instrument [Line Items]              
Proceeds from equity financing         $ 11,500,000    
Convertible Notes | Cowen and Company, LLC and Chardan Capital markets, LLC | Resale Registration Statement              
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]              
Cash consideration       6,000,000.0      
Esse Effe S.p.A | Non-convertible Notes              
Debt Instrument [Line Items]              
Notes payable           $ 6,000,000.0  
Repayment of notes payable $ 6,000,000.0            
Accrued interest paid $ 105,000            
Accrued interest           $ 105,000  
Maya              
Debt Instrument [Line Items]              
Cash consideration       $ 1,500,000