XML 34 R21.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of Share-based payment award, stock options, valuation assumptions
          
   2021  2020
       
Weighted average grant date fair value  $8.09   $3.50 
Weighted average assumptions used:          
Expected dividend yield   0.00%   0.00%
Risk-free interest rate   0.70%   0.41%
Expected volatility   66.72%   75.70%
Expected life (in years)   4.29    5.93 
Schedule of contract liability
      
   December 31, 2021  December 31, 2020
Balance at beginning of period  $177   $516 
Additions   1,953    353 
Revenue recognized   (1,570)   (692)
Balance at end of period  $560   $177