CONDENSED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended 121 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Cash flows from operating activities:          
Net loss $ (5,338) $ (3,246) $ (5,302) $ (6,920) $ (32,385)
Adjustments to reconcile net loss to net cash used in operating activities:          
Depreciation and amortization 18 17 23 21 111
Stock-based compensation 1,619 1,194 1,254 513 7,335
Common stock issued for acquisition of license     0 0 29
Warrants issued for financing costs     0 0 468
Change in fair value of derivative liability 0 (1,096) (1,096) 50 (86)
Contributed services     0 0 774
Amortization of debt discount     0 0 21
Increase in operating assets:          
Prepaid expenses (13) (118) (86) (77) (163)
Other assets     0 (3) (3)
Increase in operating liabilities:          
Accounts payable and accrued expenses (87) (180) 500 1,895 3,280
Cash used in operating activities (3,801) (3,429) (4,707) (4,521) (20,619)
Cash flows from investing activities:          
Acquisition of office equipment (4) (8) (8) (7) (31)
Acquisition of intangibles     0 0 (194)
Cash used in investing activities (4) (8) (8) (7) (225)
Cash flows from financing activities:          
Proceeds from sale of common stock and warrants 4,104 6,217 6,217 652 23,844
Proceeds from exercise of warrants 0 405 405 691 1,221
Cost of common stock and warrants sold (327) (665) (665) 0 (739)
Proceeds from convertible notes - stockholder     0 0 155
Repayments of convertible notes - stockholder     0 0 (50)
Cash provided by financing activities 3,777 5,957 5,957 1,343 24,431
Net increase (decrease) in cash (28) 2,520 1,242 (3,185) 3,587
Cash and cash equivalents, beginning of period 3,587 2,345 2,345 5,530 0
Cash and cash equivalents, end of period $ 3,559 $ 4,865 $ 3,587 $ 2,345 $ 3,587