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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Cash flows from operating activities:    
Loss for the period $ (733,769) $ (1,021,653)
Adjustments to reconcile loss for the period to net cash used in operating activities:    
Depreciation 12,078 13,518
Stock-based compensation 843 178,587
Linkage difference on principal of loans from stockholders 186 523
Changes in assets and liabilities:    
Increase in accounts receivable (1,776) (9,981)
(Increase) decrease in inventory (46,757) 19,149
Increase in other current assets (53,196) (16,600)
Decrease in accounts payable (117,691) (244,646)
(Decrease) increase in other current liabilities (49,023) 260,080
Net cash used in operating activities (989,105) (821,023)
Cash flows from investing activities:    
Purchase of property and equipment (14,615) (6,378)
Net cash used in investing activities (14,615) (6,378)
Cash flows from financing activities    
Issuance of Common Stock net of cash issuance expenses 13,009,269
Amounts allocated to issuance of Common Stock from Series D offering 750,116
Proceeds allocated to Series D Warrants, net of cash issuance expenses 5,995
Net cash provided by financing activities 13,009,269 756,111
Effect of exchange rate changes on cash, cash equivalents and restricted cash (3,245) 6,467
Change in cash, cash equivalents, and restricted cash 12,002,304 (64,823)
Cash, cash equivalents, and restricted cash at beginning of the period 475,713 149,684
Cash, cash equivalents, and restricted cash at end of the period $ 12,478,017 $ 84,861