CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash	$ 127,135,628	$ 131,534,101
Accounts receivable, net of allowance for doubtful accounts of $380,580 and $376,374, respectively	4,328,802	4,500,699
Inventory	1,485,358	1,076,321
Other current assets	6,604,284	2,299,052
Total current assets	139,554,072	139,410,173
Fixed assets, net	437,055	516,839
Other Assets:
Intangible assets, net	3,099,747	2,405,972
Security deposit	139,036	139,036
Total other assets	3,238,783	2,545,008
Total assets	143,229,910	142,472,020
Current Liabilities:
Accounts payable	4,097,600	7,358,514
Other current liabilities	9,223,595	7,624,085
Total current liabilities	13,321,195	14,982,599
Commitments and Contingencies - See Note 12
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; 216,429,642 and 196,688,222 issued and outstanding, respectively	216,430	196,688
Additional paid in capital	516,351,405	436,995,052
Accumulated deficit	(386,659,120)	(309,702,319)
Total stockholders' equity	129,908,715	127,489,421
Total liabilities and stockholders' equity	$ 143,229,910	$ 142,472,020

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.