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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash flows from operating activities:    
Net Loss $ (6,225,162) $ (1,410,527)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 19,648 8,674
Stock-based compensation expense 1,950,627 1,362,729
Changes in operating assets and liabilities:    
Accounts receivable, net (248,876) (2,066,226)
Inventories net (925,524) (1,046,091)
Prepaid expenses and other current assets (1,493,622) (1,026,286)
Accounts payable and accrued expenses 1,176,268 1,626,399
Accrued preferred dividends (46,877) (101,111)
Deferred revenue and other current liabilities 20,983 (83,291)
Net cash used in in operating activities (5,772,535) (2,735,730)
Cash flows from investing activities:    
Purchase of property and equipment (78,063) (12,346)
Net cash (used in) investing activities (78,063) (12,346)
Cash flows from financing activities:    
Net proceeds from issuance of common stock 9,999,948
Proceeds from exercise of stock options 179,704 998,733
Net cash provided by financing activities 179,704 10,998,681
Effect of exchange rate changes on cash and cash equivalents (19,819)
Net (decrease) increase in cash (5,690,713) 8,250,605
Cash at beginning of the period 14,186,624 11,747,138
Cash at end of the period 8,495,911 19,997,743
Cash paid during period for:    
Interest 87,986 86,534
Income taxes
Non-cash investing and financing activities:    
Accrued preferred dividends 85,855 181,493
Conversion of convertible note to common stock, related-party $ 1,000,000