CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 46,355	$ 70,933
Accounts receivable, net	422	2,011
Inventory, net	2,594	4,182
Prepaid expenses and other current assets	3,968	3,379
Total current assets	53,339	80,505
Property and equipment, net	3,950	4,646
Other assets	5,843	7,136
Total assets	63,132	92,287
Current liabilities:
Accounts payable	13,381	6,356
Accrued expenses	17,455	19,734
Warrant liability	247
Current portion of deferred revenue	652	826
Current portion of long-term debt	4,300	9,014
Other current liabilities	453	410
Total current liabilities	36,488	36,340
Deferred revenue, less current portion	1,272	1,779
Long-term debt, less current portion	47,351	8,363
Other liabilities	5,538	5,882
Total liabilities	$ 90,649	$ 52,364
Commitments and contingencies
Common stock purchase warrants		$ 1,445
Shareholders' equity (deficit):
Common stock, no par value: Authorized shares - 315,000,000 and 215,000,000 at September 30,2015 and December 31,2014, respectively Issued and outstanding shares - 191,841,451 and 176,761,099 at September 30, 2015 and December 31, 2014, respectively	$ 2,053,087	2,023,949
Accumulated other comprehensive loss	(6,885)	(6,499)
Accumulated deficit	(2,069,480)	(1,975,695)
Total CTI shareholders' equity (deficit)	(23,278)	41,755
Noncontrolling interest	(4,239)	(3,277)
Total shareholders' equity (deficit)	(27,517)	38,478
Total liabilities and shareholders' equity	$ 63,132	$ 92,287