Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 97,307,258	$ 106,398,919
Prepaid expenses and other current assets	326,733	954,581
Total current assets	97,633,991	107,353,500
Property and equipment, net	3,462,343	3,418,077
Other assets	142,870	142,870
Total assets	101,239,204	110,914,447
Current liabilities:
Accounts payable	2,964,971	3,471,032
Accrued expenses	3,282,398	3,213,715
Short term debt	5,454,610	0
Total current liabilities	11,701,979	6,684,747
Noncurrent liability:
Long term debt	14,883,240	14,953,143
STOCKHOLDERS' EQUITY
Preferred stock, 5,000,000 shares authorized at September 30, 2017 and December 31, 2016, 0 outstanding	0	0
Common stock, $0.00033 par value, 75,000,000 shares authorized at September 30, 2017 and December 31, 2016, 30,859,200 shares and 28,918,516 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	10,397	9,756
Additional paid-in capital	212,688,325	190,341,769
Accumulated deficit	(138,044,737)	(101,074,968)
Total stockholders' equity	74,653,985	89,276,557
Total liabilities and stockholders' equity	$ 101,239,204	$ 110,914,447

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

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).