Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details Textual)

v3.20.2
Stock Options (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Apr. 30, 2018
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Jul. 08, 2016
Stock Options (Textual)          
Total stock-based compensation   $ 79    
Polar Power 2016 Omnibus Incentive Plan [Member]          
Stock Options (Textual)          
Number of shares authorized         1,754,385
Maximum number of shares available for issuance         350,877
Unamortized compensation cost        
Number of shares granted        
Exercise prices   $ 5.22   $ 5.22  
Volatility rate 57.71%        
Discount rate 2.42%        
Expected dividend yield 0.00%        
Expected life 6 years 6 months        
Total fair value of the option grants $ 948        
Polar Power 2016 Omnibus Incentive Plan [Member] | Common Stock [Member]          
Stock Options (Textual)          
Number of shares granted 330,000        
Polar Power 2016 Omnibus Incentive Plan [Member] | Maximum [Member]          
Stock Options (Textual)          
Exercise prices $ 5.60        
Polar Power 2016 Omnibus Incentive Plan [Member] | Minimum [Member]          
Stock Options (Textual)          
Exercise prices $ 5.09