Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Other Shares Issued (Details)

v3.20.1
Stockholders' Equity - Other Shares Issued (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2018
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Class of Stock [Line Items]        
Proceeds from common stock issued     $ 1  
Fair value of stock issued   $ 400 4,927 $ 423
Clarios        
Class of Stock [Line Items]        
Proceeds from common stock issued     1,300  
Common Stock        
Class of Stock [Line Items]        
Proceeds from common stock issued     $ 1  
Common stock issued for consulting services (in shares)     2,036,279 152,727
Fair value of stock issued     $ 2  
Common Stock | Former Executives        
Class of Stock [Line Items]        
Common stock issued (in shares)     533,655  
Common Stock | Board Members        
Class of Stock [Line Items]        
Common stock issued (in shares)     202,905  
Common Stock | Prior Company Executives        
Class of Stock [Line Items]        
Common stock issued (in shares)     161,362  
Common Stock | Clarios        
Class of Stock [Line Items]        
Common stock issued (in shares)     807,436  
Restricted Stock Units (RSUs) | Common Stock        
Class of Stock [Line Items]        
Common stock issued (in shares)     854,064 65,600
Over-Allotment Option        
Class of Stock [Line Items]        
Stock issued due to overallotment 1,072,500      
Net proceeds from public offering $ 2,100      
Proceeds from common stock issued       $ 2,103
Over-Allotment Option | Common Stock        
Class of Stock [Line Items]        
Common stock issued (in shares)       1,072,500
Proceeds from common stock issued       $ 2
Officers and Directors Plan        
Class of Stock [Line Items]        
Proceeds from common stock issued       $ 4
Officers and Directors Plan | Common Stock        
Class of Stock [Line Items]        
Common stock issued (in shares)       2,034