Consolidated Balance Sheets - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 37,994,449	$ 36,618,497
Prepaid and other current assets	842,597	1,380,560
Total current assets	38,837,046	37,999,057
Equipment, net	86,524	100,730
Other assets	119,291	112,821
Total assets	39,042,861	38,212,608
Current liabilities:
Accounts payable	4,038,645	4,081,173
Accrued Liabilities, Current	2,276,750	2,820,377
Loan payable, current portion	1,895,795	269,162
Total current liabilities	8,211,190	7,170,712
Loan payable, long-term	8,077,063	9,470,445
Total liabilities	16,288,253	16,641,157
Stockholders’ equity:
Preferred stock, $0.0001 par value per share (10,000,000 shares authorized, none issued and outstanding at June 30, 2017 and December 31, 2016, respectively)
Common stock, $0.0001 par value per share (150,000,000 shares authorized, 23,608,084 and 19,158,417 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively)	2,361	1,916
Additional paid-in capital	85,473,053	69,210,986
Accumulated deficit	(62,720,806)	(47,641,451)
Total stockholders’ equity	22,754,608	21,571,451
Total liabilities and stockholders’ equity	$ 39,042,861	$ 38,212,608