Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Preferred Stock [Member]    
Statement [Line Items]    
Beginning balance, value
Beginning balance, shares
Shares issued in connection with ATM, net of transaction costs
Shares issued in connection with exercise of stock options  
Shares issued in connection with exercise of common stock warrants  
Employee stock-based compensation expense
Stock based compensation related to issuance of common stock restricted stock grants
Foreign currency translation adjustment
Net loss
Ending balance, value
Ending balance, shares
Common Stock [Member]    
Statement [Line Items]    
Beginning balance, value $ 2 $ 2
Beginning balance, shares 3,100,937 2,092,909
Shares issued in connection with ATM, net of transaction costs $ 3
Shares issued in connection with ATM, net of transaction costs , shares 1,819,593 950,100
Shares issued in connection with exercise of stock options  
Shares issued in connection with exercise of stock options, shares   44,042
Shares issued in connection with exercise of common stock warrants  
Shares issued in connection with exercise of common stock warrants, shares   12,290
Employee stock-based compensation expense
Stock based compensation related to issuance of common stock restricted stock grants
Stock based compensation related to issuance of common stock restricted stock grants, shares 13,020 1,596
Foreign currency translation adjustment
Net loss
Ending balance, value $ 5 $ 2
Ending balance, shares 4,933,550 3,100,937
Additional Paid-in Capital [Member]    
Statement [Line Items]    
Beginning balance, value $ 197,370 $ 189,217
Shares issued in connection with ATM, net of transaction costs 2,865 7,554
Shares issued in connection with exercise of stock options   193
Shares issued in connection with exercise of common stock warrants   24
Employee stock-based compensation expense 649 372
Stock based compensation related to issuance of common stock restricted stock grants 20 10
Foreign currency translation adjustment
Net loss
Ending balance, value 200,904 197,370
Retained Earnings [Member]    
Statement [Line Items]    
Beginning balance, value (184,363) (179,277)
Shares issued in connection with ATM, net of transaction costs
Shares issued in connection with exercise of stock options  
Shares issued in connection with exercise of common stock warrants  
Employee stock-based compensation expense
Stock based compensation related to issuance of common stock restricted stock grants
Foreign currency translation adjustment  
Net loss (5,151) (5,086)
Ending balance, value (189,514) (184,363)
AOCI Attributable to Parent [Member]    
Statement [Line Items]    
Beginning balance, value (4,312) (4,579)
Shares issued in connection with ATM, net of transaction costs
Shares issued in connection with exercise of stock options  
Shares issued in connection with exercise of common stock warrants  
Employee stock-based compensation expense
Stock based compensation related to issuance of common stock restricted stock grants
Foreign currency translation adjustment 894 267
Net loss
Ending balance, value (3,418) (4,312)
Beginning balance, value 8,697 5,363
Shares issued in connection with ATM, net of transaction costs 2,868 7,554
Shares issued in connection with exercise of stock options   193
Shares issued in connection with exercise of common stock warrants   24
Employee stock-based compensation expense 649 372
Stock based compensation related to issuance of common stock restricted stock grants 20 10
Foreign currency translation adjustment 894 267
Net loss (5,151) (5,086)
Ending balance, value $ 7,977 $ 8,697