Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details Narrative)

v3.20.4
Significant Accounting Policies (Details Narrative)
3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Accounting Policies [Line Items]        
Number of reportable segments | Segment   1    
Cash equivalents original maturity date of acquisition   3 months    
Restricted cash   $ 1,569,000 $ 7,610,000  
Inventory valuation reserves   315,000 579,000 $ 572,000
Impairment of long-lived assets $ 147,543,000 147,543,000    
Reserve for doubtful accounts   12,000,000 22,000  
Accrued for payment of interest and penalties   $ 0    
Series A Preferred Stock [Member]        
Accounting Policies [Line Items]        
Estimated fair value of Series A preferred stock, calculation period   1 year    
Senior Secured Term Loan [Member]        
Accounting Policies [Line Items]        
Long term debt fair value   $ 198,000,000.0 198,000,000.0  
Workers’ Compensation Obligations [Member]        
Accounting Policies [Line Items]        
Restricted cash   513,000 513,000  
Approved Capital Expenditures [Member]        
Accounting Policies [Line Items]        
Restricted cash   $ 1,056,000 $ 7,097,000