Consolidated Balance Sheets - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash	$ 45,019,627	$ 36,618,497
Prepaid and other current assets	1,179,124	1,380,560
Total current assets	46,198,751	37,999,057
Equipment, net	93,516	100,730
Other assets	119,291	112,821
Total assets	46,411,558	38,212,608
Current liabilities:
Accounts payable	4,740,702	4,081,173
Accrued Liabilities, Current	2,535,124	2,820,377
Loan payable, current portion	1,079,924	269,162
Total current liabilities	8,355,750	7,170,712
Loan payable, long-term	8,775,328	9,470,445
Total liabilities	17,131,078	16,641,157
Stockholders’ equity:
Preferred stock, $0.0001 par value per share (10,000,000 shares authorized, none issued and outstanding at Marchr 31, 2017 and December 31, 2016, respectively)
Common stock, $0.0001 par value per share (150,000,000 shares authorized, 23,543,667 and 19,158,417 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively)	2,354	1,916
Additional paid-in capital	84,914,616	69,210,986
Accumulated deficit	(55,636,490)	(47,641,451)
Total stockholders’ equity	29,280,480	21,571,451
Total liabilities and stockholders’ equity	$ 46,411,558	$ 38,212,608