Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details Narrative)

v3.22.1
Significant Accounting Policies (Details Narrative)
 3 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 29, 2021
USD ($)
License
Fleet
Apr. 26, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Accounting Policies [Line Items]                
Number of reportable segments | Segment           1    
Reverse stock split ratio 0.2857142857              
Cash equivalents original maturity date of acquisition           3 months    
Restricted cash           $ 2,736,000 $ 1,569,000  
Accounts receivable wrote off           12,009,000 53,000  
Provision for losses on inventory obsolescence           2,461,000 620,000  
Inventory valuation reserves           1,272,000 315,000 $ 579,000
Assets held for sale impairment charges           0    
Impairment of long-lived assets         $ 147,543,000 0 147,543,000  
Fair value of convertible senior notes           73,538,000    
Reserve for doubtful accounts           0 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    
Class A Common Stock [Member]                
Accounting Policies [Line Items]                
Reverse stock split, description 1-for-3.5 reverse split of its Class A common stock              
Reverse stock split ratio 0.2857142857              
License Agreement [Member]                
Accounting Policies [Line Items]                
Patent License Agreement term   5 years            
Number of licenses sold | License   3            
Number of electric frac fleets build and operate | Fleet   3            
Licensed product value   $ 7,500,000            
License Agreement [Member] | Maximum [Member]                
Accounting Policies [Line Items]                
Number of licenses for build and operate | License   20            
Claim Agreement [Member]                
Accounting Policies [Line Items]                
Business combination, consideration transferred           $ 14,470,000    
Business combination, consideration amount received     $ 2,478,000          
Accounts receivable wrote off       $ 12,000,000        
Senior Secured Term Loan [Member]                
Accounting Policies [Line Items]                
Restricted cash           2,007,000    
Long term debt fair value           106,620,000 198,000,000  
Workers’ Compensation Obligations [Member]                
Accounting Policies [Line Items]                
Restricted cash           $ 729,000 513,000  
Approved Capital Expenditures [Member]                
Accounting Policies [Line Items]                
Restricted cash             $ 1,056,000