Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 15,219	$ 16,432
Short-term marketable securities	32,502	44,066
Prepaid expenses and other current assets	387	882
Total current assets	48,108	61,380
Property and equipment, net	13	354
Restricted cash	0	2,432
Total assets	48,121	64,166
Current Liabilities:
Accounts payable	47	361
Accrued expenses	1,375	2,400
Total current liabilities	1,422	2,761
Lease obligations, long-term	0	1,053
Total liabilities	1,422	3,814
Stockholders’ Equity (Deficit):
Preferred stock, $0.001 par value, 5,000,000 shares authorized at June 30, 2017 and December 31, 2016; 0 shares outstanding at June 30, 2017 and December 31, 2016	0	0
Common stock, $0.001 par value; 250,000,000 shares authorized at June 30, 2017 and December 31, 2016; 20,856,693 and 20,841,393 shares issued and outstanding at June 30 and December 31, 2016, respectively	21	21
Additional paid in capital	163,847	163,126
Accumulated deficit	(117,152)	(102,791)
Other comprehensive loss	(17)	(4)
Total stockholders’ equity	46,699	60,352
Total liabilities and stockholders’ equity	$ 48,121	$ 64,166

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. Also includes the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Includes taxes payable related to state franchise taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.