Transition report pursuant to Rule 13a-10 or 15d-10

Income Taxes (Details 2)

v2.4.0.8
Income Taxes (Details 2)
11 Months Ended 12 Months Ended
Dec. 31, 2013
Jan. 31, 2013
Jan. 31, 2012
Reconciliation of the statutory federal rate and the company's effective tax rate      
U.S. federal taxes at statutory rate (as a percent) 34.00% 34.00% 34.00%
Permanent differences (as a percent) 5.00% (2.00%) (24.00%)
Foreign rate differential (as a percent) (4.00%) (2.00%)  
Federal and state credits, net of reserve (as a percent) 8.00% 2.00% 2.00%
Change in valuation allowance (as a percent) (46.00%) (30.00%) (16.00%)
Change in rate (as a percent)   (2.00%) 1.00%
Other (as a percent) 3.00%   3.00%