Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

v3.22.1
Debt - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 25, 2022
USD ($)
Sep. 02, 2021
USD ($)
Jun. 18, 2021
USD ($)
Jan. 15, 2021
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Apr. 14, 2022
USD ($)
Sep. 03, 2021
USD ($)
Feb. 17, 2021
USD ($)
Oct. 28, 2020
USD ($)
Aug. 31, 2020
USD ($)
May 01, 2020
USD ($)
Debt Instrument [Line Items]                          
Draw down amount         $ 0 $ 45,970,000              
Forgiveness amount     $ 600,000                    
Available liquidity         30,900,000                
Cash and cash equivalents         5,938,000   $ 20,523,000            
Line of credit         25,000,000                
Subsequent Event | Private Placement                          
Debt Instrument [Line Items]                          
Sale of stock, amount authorized to issue and sell               $ 80,000,000          
DSS PPP Loan                          
Debt Instrument [Line Items]                          
Face amount                         $ 1,100,000
Interest rate                         1.00%
Repayments of debt             500,000            
Medium-term Notes | Adams Street Capital Agreement                          
Debt Instrument [Line Items]                          
Credit amount                     $ 31,000,000    
Draw down amount       $ 15,000,000                  
Additional borrowing capacity                   $ 32,000,000      
Net leverage ratio   6.50                      
Medium-term Notes | Adams Street Delayed Draw Term Loan                          
Debt Instrument [Line Items]                          
Credit amount                     15,000,000    
Line of Credit | Adams Street Capital Agreement                          
Debt Instrument [Line Items]                          
Borrowings outstanding under credit facility         $ 0   0            
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility                          
Debt Instrument [Line Items]                          
Credit amount $ 25,000,000                   5,000,000    
Current borrowing capacity $ 10,000,000                        
Commitment fee percentage 2.00%                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | Maximum                          
Debt Instrument [Line Items]                          
Current borrowing capacity $ 15,000,000                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | First Covenant                          
Debt Instrument [Line Items]                          
Current borrowing capacity $ 5,000,000                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | First Covenant | Eurocurrency Rate                          
Debt Instrument [Line Items]                          
Interest rate 6.00%                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | First Covenant | Base Rate                          
Debt Instrument [Line Items]                          
Interest rate 5.00%                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | Second Covenant                          
Debt Instrument [Line Items]                          
Current borrowing capacity $ 5,000,000                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | Second Covenant | Eurocurrency Rate                          
Debt Instrument [Line Items]                          
Interest rate 7.50%                        
Line of Credit | Adams Street Capital Agreement | Revolving Credit Facility | Second Covenant | Base Rate                          
Debt Instrument [Line Items]                          
Interest rate 6.50%                        
Notes Payable to Banks | SVB Loan                          
Debt Instrument [Line Items]                          
Face amount                     $ 51,100,000 $ 45,400,000  
Debt repayment   $ 41,600,000                      
Notes Payable to Banks | D&O Financing Loan                          
Debt Instrument [Line Items]                          
Face amount                 $ 3,000,000        
Interest rate                 1.74%        
Loan                          
Debt Instrument [Line Items]                          
Debt repayment             $ 600,000