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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Loss for the period $ (1,093) $ (904)
Adjustments to reconcile loss for the period to net cash used in operating activities:    
Depreciation 9 12
Stock-based compensation 151 49
Issuance of restricted shares as compensation towards directors (*) [1] 11
Linkage difference on principal of loans from stockholders 2 2
Changes in assets and liabilities:    
Increase in accounts receivable (5)
Increase in inventory (6)
Increase (Decrease) in other current assets (400) 10
Decrease in accounts payable (35) (155)
Increase in other current liabilities 90 64
Net cash used in operating activities (1,265) (933)
Effect of exchange rate changes on cash, cash equivalents and restricted cash (9) 1
Change in cash, cash equivalents, and restricted cash (1,274) (932)
Cash, cash equivalents, and restricted cash at beginning of the period 6,113 9,885
Cash, cash equivalents, and restricted cash at end of the period $ 4,839 $ 8,953
[1] Actual issuance occurred subsequent to the balance sheet date.