Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Details Narrative)

v3.22.4
Stock-based Compensation (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May 08, 2014
Dec. 31, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-based payment award increase of shares offering date January 1, 2015    
Percentage for common stock outstanding 4.00%   4.00%
Number of option vested   19,578,859  
Option vested price per share   $ 1.23  
Option intrinsic value   $ 90  
Aggregate intrinsic price   $ 0.50  
Unrecognized share-based compensation   $ 9,997  
Share-based compensation weighted average period   2 years 7 months 6 days  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights   All outstanding options expire  
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period   10 years  
Number of restricted stock awards granted   0 31,769
General and administrative expense   $ 0 $ 100
Share-Based Payment Arrangement, Option [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   25.00%  
2013 Equity Compensation Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Option granted description   granted at prices not less than 100% of the fair value  
Option term   The term of the options is no longer than ten years  
Number of common stock issued under plan   45,603,238  
2013 Equity Compensation Plan [Member] | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Option vested period   3 years  
2013 Equity Compensation Plan [Member] | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Option vested period   4 years