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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash flows from operating activities:    
Loss for the period $ (1,847,794) $ (2,530,325)
Adjustments to reconcile loss for the period to net cash used in operating activities:    
Depreciation 16,138 16,380
Stock-based compensation 561,482 374,180
Change in the fair value of Warrants with down-round protection (77,947) (84,099)
Linkage difference on principal of loans from stockholders (911) (1,367)
Changes in assets and liabilities:    
(Increase) decrease in accounts receivable (27,585) 2,255
Decrease in inventory 10,442 78,416
Decrease in other current assets 5,128 190,590
(Decrease) increase in accounts payable 66,355 (129,419)
Increase in other current liabilities (132,176) 937,276
Net cash used in operating activities (1,426,868) (1,146,113)
Cash flows from investing activities:    
Purchase of property and equipment (931) (1,477)
Net cash used in investing activities (931) (1,477)
Cash flows from financing activities    
Cash dividend on Series A Preferred Stock
Proceeds allocated to Series C Preferred Stock, net of cash issuance expenses 1,738,259
Proceeds allocated to Series C Warrants, net of cash issuance expenses 860,812
Proceeds allocated to Common Stock from Series D offering, net of cash issuance expenses 924,398
Proceeds allocated to Series D Warrants, net of cash issuance expenses 773,302
Net cash provided by financing activities 1,697,700 2,599,071
Effect of exchange rate changes on cash and cash equivalents (9,296) 38,686
Increase (decrease) in cash and cash equivalents 260,605 1,490,167
Cash and cash equivalents at beginning of the period 53,782 148,836
Cash and cash equivalents at end of the period $ 314,387 $ 1,639,003