Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001260990 (http://www.sec.gov/CIK)

BALANCE SHEETS	Period [Axis]
	2016-12-31	2015-12-31
BALANCE SHEETS
ASSETS
Current assets:
Cash and cash equivalents	8,910,000	14,056,000
Short-term investments	12,959,000	15,200,000
Prepaid expenses and other current assets	2,429,000	2,633,000
Total current assets	24,298,000	31,889,000
Property and equipment, net	81,000	5,000
Intangible assets, net	123,000	137,000
Total assets	24,502,000	32,031,000
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	1,220,000	382,000
Warrant liability		27,349,000
Accrued expenses and other current liabilities	3,391,000	2,441,000
Total current liabilities	4,611,000	30,172,000
Commitments and contingencies	xsi:nil	xsi:nil
Stockholders' equity:
Common stock, $0.001 par value: 60,000,000 and 400,000,000 shares authorized at December 31, 2016 and December 31, 2015, respectively; 15,919,572 and 14,037,411 shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively	16,000	14,000
Additional paid-in capital	551,073,000	515,319,000
Accumulated deficit	(531,198,000)	(513,474,000)
Total stockholders' equity	19,891,000	1,859,000
Total liabilities and stockholders' equity	24,502,000	32,031,000