Annual report pursuant to Section 13 and 15(d)

STATEMENTS OF CASH FLOWS

STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (2,403)us-gaap_NetIncomeLoss	$ 9,711us-gaap_NetIncomeLoss	$ (15,180)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	353	107	17
Non-cash gain on settlement of long-term debt	0	(1,860)	0
Non-cash gain on termination of royalty purchase agreement	0	(8,962)	0
Interest on royalty liability	0	0	(347)
Non-cash (gain) loss on changes in fair value of warrants	(1,083)us-gaap_FairValueAdjustmentOfWarrants	(1,737)us-gaap_FairValueAdjustmentOfWarrants	1,766us-gaap_FairValueAdjustmentOfWarrants
Stock-based compensation	543us-gaap_ShareBasedCompensation	678us-gaap_ShareBasedCompensation	2,581us-gaap_ShareBasedCompensation
Changes in operating assets and liabilities:
Receivables	850	(172)	(926)
Prepaid expenses and other assets	59	483	149
Accounts payable	(710)	1,351	(1,022)
Other accrued liabilities	172	(340)	417
Deferred contract revenue	(3,646)	(9,058)	14,375
Net cash provided by (used in) operating activities	(5,865)	(9,799)	1,830
Cash flows from investing activities:
Purchases of furniture and equipment	(18)	(318)	(1,154)
Net cash used in investing activities	(18)	(318)	(1,154)
Cash flows from financing activities:
Proceeds from issuance of common stock from the exercise of stock options	0	113	0
Proceeds from issuance of common stock and warrants, net of issuance costs	9,591	4,925	7,516
Issuance of common stock from the vesting of restricted shares	(36)	0	0
Proceeds from the exercise of warrants, net of issuance costs	0us-gaap_ProceedsFromWarrantExercises	1,275us-gaap_ProceedsFromWarrantExercises	4,897us-gaap_ProceedsFromWarrantExercises
Payments on long-term debt	0us-gaap_RepaymentsOfLongTermDebt	(2,500)us-gaap_RepaymentsOfLongTermDebt	(393)us-gaap_RepaymentsOfLongTermDebt
Net cash provided by financing activities	9,555	3,813	12,020
Net increase (decrease) in cash	3,672	(6,304)	12,696
Cash at beginning of period	11,798	18,102	5,406
Cash at end of period	15,470	11,798	18,102
Supplemental disclosure of cash flow information
Interest paid	0us-gaap_InterestPaid	1,568us-gaap_InterestPaid	2,576us-gaap_InterestPaid
Schedule of non-cash transactions
Settlement of long-term debt	0ttnp_SettlementOfLongtermDebt	7,500ttnp_SettlementOfLongtermDebt	0ttnp_SettlementOfLongtermDebt
Fair value of warrants at the time of exercise	$ 0ttnp_FairValueOfWarrants	$ 4,686ttnp_FairValueOfWarrants	$ 0ttnp_FairValueOfWarrants