Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 4,831,691	$ 7,743,181	[1]
Accounts receivable-net (note 2)	12,158,648	12,980,396	[1]
Note receivable-current (note 6)	1,197,270		[1]
Unbilled royalty revenue	175,148		[1]
Inventories-net (note 4)	10,589,216	11,482,701	[1]
Prepaid expenses and other current assets (note 5)	3,610,607	2,299,375
Total current assets	32,562,580	34,505,653	[1]
Note receivable-long term (note 6)	10,775,432		[1]
Operating lease-right of use asset (note 7)	188,624		[1]
Property and equipment-net (note 8)	110,129	121,854	[1]
Total Assets	43,636,765	34,627,507	[1]
Current liabilities:
Accounts payable and accrued expenses (note 9)	9,113,564	14,845,211	[1]
Other current liabilities (note 10)	100,010	19,933	[1]
Operating lease liability-current (note 7)	142,778		[1]
Total current liabilities	9,356,352	14,865,144	[1]
Long-term liabilities:
Convertible line of credit note payable-related party-net (note 11)	4,873,188	3,500,000	[1]
Convertible line of credit note payables -related party-net (note 11)	4,598,348	4,459,381	[1]
Operating lease liability-long term (note 7)	50,516		[1]
Total Liabilities	18,878,404	22,824,525	[1]
Stockholders' Equity:
Preferred Stock, $0.001 par value; 2,500,000 shares authorized, zero and zero shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively (note 12)			[1]
Common stock, $0.001 par value; 75,000,000 shares authorized, 57,371,187 and 57,002,508 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively (note 14)	57,371	57,003	[1]
Additional paid-in capital	87,921,688	85,153,667	[1]
Accumulated other comprehensive income/(loss)	(23,306)	(26,997)	[1]
Accumulated deficit	(63,197,392)	(73,380,691)	[1]
Total Stockholders' Equity	24,758,361	11,802,982	[1]
Total Liabilities and Stockholders' Equity	$ 43,636,765	$ 34,627,507	[1]

[1] Derived from Audited Financial Statements