CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash	$ 154,386,930	$ 127,135,628
Accounts receivable, net of allowance for doubtful accounts of $418,604 and $380,580, respectively	5,625,987	4,328,802
Inventory	1,880,577	1,485,358
Other current assets	5,203,734	6,604,284
Total current assets	167,097,228	139,554,072
Fixed assets, net	403,574	437,055
Other Assets:
Intangible assets, net	3,488,401	3,099,747
Prepaid expenses-long term	759,229
Security deposit	150,522	139,036
Total other assets	4,398,152	3,238,783
Total assets	171,898,954	143,229,910
Current Liabilities:
Accounts payable	11,427,160	4,097,600
Accrued expenses and other current liabilities	9,785,210	9,223,595
Total current liabilities	21,212,370	13,321,195
Long-term Liabilities:
Long-term debt	73,141,311
Total long-term liabilities	73,141,311
Total liabilities	94,353,681	13,321,195
Commitments and Contingencies - See Note 15
Stockholders' Equity:
Preferred stock - par value $0.001; 10,000,000 shares authorized; no shares issued and outstanding
Common stock - par value $0.001; 350,000,000 shares authorized: 216,834,059 and 216,429,642 issued and outstanding, respectively	216,834	216,430
Additional paid-in capital	521,608,436	516,351,405
Accumulated deficit	(444,279,997)	(386,659,120)
Total stockholders' equity	77,545,273	129,908,715
Total liabilities and stockholders' equity	$ 171,898,954	$ 143,229,910

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.