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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Series A Preferred Stock [Member]
Common Stock [Member]
Shares to be Issued [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
Beginning Balance at Nov. 30, 2019   $ 10 $ 20 $ (888) $ 36,575 $ (37,662) $ (38) $ (1,983)
Beginning Balance (Shares) at Nov. 30, 2019   10,402,184            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Issuance of common stock for services         118     118
Issuance of common stock for services (in shares)   62,500            
Issuance of common stock for intellectual property         697     697
Issuance of common stock for intellectual property (in shares)   386,680            
Cancellation of shares       $ 888 (888)      
Cancellation of shares (in shares)   (369,999)            
Shares to be issued     43         43
Issuance of Series A preferred stock upon conversion of the convertible notes, net of issuance costs         11,562     11,562
Issuance of Series A preferred stock upon conversion of the convertible notes, net of issuance costs (in shares) 1,391              
Issuance of warrants for payment of accrued interest         125     125
Stock-based compensation         648     648
Issuance of common stock - Roboro acquisition         556     556
Issuance of common stock - Roboro acquisition (in shares)   138,889            
Warrant exercises   $ 2     4,020     4,022
Warrant exercises (in shares)   2,009,703            
Issuance of warrants upon conversion of the convertible notes         240     240
Net income (loss)           (10,346)   (10,346)
Foreign currency translation             96 96
Ending Balance at May. 31, 2020   $ 12 63   53,653 (48,008) 58 5,778
Ending Balance (Shares) at May. 31, 2020 1,391 12,629,957            
Beginning Balance at Feb. 29, 2020   $ 10 20   37,264 (39,947) (75) (2,728)
Beginning Balance (Shares) at Feb. 29, 2020   10,481,365            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Shares to be issued     43         43
Issuance of Series A preferred stock upon conversion of the convertible notes, net of issuance costs         11,562     11,562
Issuance of Series A preferred stock upon conversion of the convertible notes, net of issuance costs (in shares) 1,391              
Stock-based compensation         11     11
Issuance of common stock - Roboro acquisition         556     556
Issuance of common stock - Roboro acquisition (in shares)   138,889            
Warrant exercises   $ 2     4,020     4,022
Warrant exercises (in shares)   2,009,703            
Issuance of warrants upon conversion of the convertible notes         240     240
Net income (loss)           (8,061)   (8,061)
Foreign currency translation             133 132
Ending Balance at May. 31, 2020   $ 12 $ 63   53,653 (48,008) 58 5,778
Ending Balance (Shares) at May. 31, 2020 1,391 12,629,957            
Beginning Balance at Nov. 30, 2020   $ 15     58,581 (50,215) 28 8,409
Beginning Balance (Shares) at Nov. 30, 2020 1,391 14,852,023            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation         1,546     1,546
Issuance of common stock pursuant to exercise of stock options         35     $ 35
Issuance of common stock pursuant to exercise of stock options (in shares)   22,667           22,667
Warrant exercises         1,217     $ 1,217
Warrant exercises (in shares)   486,684            
Dividends declared on preferred shares         (1,043)     (1,043)
Conversion of preferred shares and accrued dividends on preferred shares   $ 5     1,038     1,043
Conversion of preferred shares and accrued dividends on preferred shares (in shares) (1,391) 5,332,147            
Net income (loss)           1,765   1,765
Foreign currency translation           178   178
Ending Balance at May. 31, 2021   $ 20     61,374 (48,450) 206 13,150
Ending Balance (Shares) at May. 31, 2021   20,693,521            
Beginning Balance at Feb. 28, 2021   $ 15     59,430 (50,487) 86 9,044
Beginning Balance (Shares) at Feb. 28, 2021 1,391 14,920,109            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation         853     853
Issuance of common stock pursuant to exercise of stock options         13     13
Issuance of common stock pursuant to exercise of stock options (in shares)   8,000            
Warrant exercises         1,083     1,083
Warrant exercises (in shares)   433,265            
Dividends declared on preferred shares         (1,043)     (1,043)
Conversion of preferred shares and accrued dividends on preferred shares   $ 5     1,038     1,043
Conversion of preferred shares and accrued dividends on preferred shares (in shares) (1,391) 5,332,147            
Net income (loss)           2,037   2,037
Foreign currency translation             120 120
Ending Balance at May. 31, 2021   $ 20     $ 61,374 $ (48,450) $ 206 $ 13,150
Ending Balance (Shares) at May. 31, 2021   20,693,521