Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v2.4.0.8
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Taxes [Abstract]  
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Significant components of our deferred tax assets are as follows (in thousands):
 
 
 
December 31,
 
 
 
2013
 
2012
 
Deferred tax assets:
 
 
 
 
 
 
 
Net operating loss carryforwards
 
$
85,912
 
$
81,127
 
Research credit carryforwards
 
 
13,481
 
 
12,750
 
Other, net
 
 
3,962
 
 
4,190
 
Deferred revenue
 
 
2,116
 
 
5,749
 
Total deferred tax assets
 
 
105,471
 
 
103,816
 
Valuation allowance
 
 
(105,471)
 
 
(103,816)
 
Net deferred tax assets
 
$
 
$
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The effective tax rate of our provision (benefit) for income taxes differs from the federal statutory rate as follows (in thousands):
 
 
 
Year Ending December 31,
 
 
 
2013
 
2012
 
2011
 
Computed at 34%
 
$
3,301
 
$
(5,134)
 
$
(5,168)
 
State taxes
 
 
213
 
 
(234)
 
 
(228)
 
Book gains (losses) not currently benefited
 
 
1,656
 
 
3,120
 
 
(1,264)
 
Other
 
 
(476)
 
 
1,901
 
 
2,746
 
Disallowed interest expense
 
 
160
 
 
1,363
 
 
1,457
 
Income from debt restructuring
 
 
 
 
(1,615)
 
 
2,462
 
Revaluation of warrant liability
 
 
(591)
 
 
600
 
 
 
Research and development credits
 
 
(583)
 
 
 
 
 
Non-cash gain from termination of royalty purchase agreement
 
 
(3,047)
 
 
 
 
 
Non-cash gain on settlement of long-term debt
 
 
(632)
 
 
 
 
 
Total
 
$
1
 
$
1
 
$
5