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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities:    
Net Income (loss) $ 11,656,594 $ (2,876,504)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 107,343 7,953
Stock-based compensation expense 1,358,503 770,862
Gain on Investment repayment from China (12,273,213)
Changes in operating assets and liabilities:    
Accounts receivable, net (2,488,198) (2,698,222)
Inventories net (2,332,499) (1,363,237)
Prepaid expenses and other current assets (707,984) (1,977,614)
Accounts payable and accrued expenses (2,070,134) 3,908,101
Accrued preferred dividends (51,111)
Unbilled royalty revenue (89,587)
Deposits/deferred revenue and other current liabilities 45,463 4,059
Net cash used in operating activities (6,793,712) (4,275,713)
Cash flows from investing activities:    
Purchase of property and equipment (11,717)
Net cash (used in) investing activities (11,717)
Cash flows from financing activities:    
Proceeds from notes payable related party-net 1,500,000
Proceeds from exercise of stock options 24,760 142,023
Net cash provided by financing activities 1,524,760 142,023
Effect on exchange rate changes on cash and cash equivalents 288,584 (53,504)
Net (decrease) increase in cash (4,980,368) (4,198,911)
Cash at beginning of the period 7,743,181 14,186,624
Cash at end of the period 2,762,813 9,987,713
Cash paid during period for:    
Interest 28,632 38,259
Non-cash investing and financing activities:    
Accrued preferred dividends 82,691
Non-Cash Items Related to China Settlement:    
Accounts Receivable 3,314,146
Inventory 258,688
Pre-paid expense and other current assets 175,185
Accounts payable and accrued expenses $ 3,748,019