CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows From Operating Activities:
Net Loss	$ (18,970,530)	$ (17,780,313)
Adjustments To Reconcile Net Loss To Net Cash Used In Operating Activities:
Depreciation and Amortization	380,372	281,327
Stock-based Compensation	3,018,628	1,811,335
Increase in Inventory Reserves	192,000	5,927,793
Amortization of Right of Use Asset	975,947
Loss on Disposal of Assets	(300)	2,483
Realized (Gain) Loss on Sale of Investments Available-for-Sale	(18,023)	124,987
Foreign Currency Translation Adjustment	144	(7,389)
Changes in Assets and Liabilities:
Decrease in Accounts Receivable	1,590,656	1,001,160
Decrease (Increase) in Insurance Receivable	371,217	(500,000)
Decrease in Inventory	66,141	1,310,702
Decrease (Increase) in Other Assets	125,750	(691,139)
Decrease in Accounts Payable	(426,772)	(1,015,539)
Increase (Decrease) in Settlement Payable	13,332	1,530,000
Decrease in Lease Liability	(977,636)
Decrease in Other Liabilities	(992,909)	(706,929)
Decrease in Deferred License Revenue	(1,126,434)	(1,145,418)
Changes in Assets and Liabilities	(1,356,655)	(217,163)
Cash Used In Operating Activities	(15,778,417)	(9,856,940)
Cash Flows From Investing Activities:
Purchase of Investments Available-for-Sale	(21,774,410)	(2,594,349)
Sale of Investments Available-for-Sale	18,798,678	6,133,307
Purchase of Equipment	(305,030)	(340,800)
Purchase of Research and Development Licenses (Related Party)	(500,000)
Cash Provided By (Used In) Investing Activities	(3,780,762)	3,198,158
Cash Flows From Financing Activities:
Proceeds from the Exercise of Employee Stock Options	147,900
Repurchase of Common Shares to Pay Employee Withholding Taxes	(95,429)
Cash Provided By Financing Activities	18,262,358
Decrease In Cash and Cash Equivalents	(1,296,821)	(6,658,782)
Cash At Beginning Of Period	22,713,980	8,406,917
Cash At End Of Period	21,417,159	1,748,135
Supplemental Disclosure of Noncash Investing Activities:
Change in Unrealized Loss on Marketable Securities Available-for-Sale	4,265	$ (47,542)
Insurance Financing Note Payable	1,908,554
Public Offering [Member]
Cash Flows From Financing Activities:
Proceeds from the Issuance of Common Stock	17,500,002
Offering Costs from the Issuance of Common Stock	(1,379,323)
At The Market [Member]
Cash Flows From Financing Activities:
Proceeds from the Issuance of Common Stock	2,296,235
Offering Costs from the Issuance of Common Stock	$ (207,027)