Income Taxes (Details 4) (USD $)	11 Months Ended	12 Months Ended
	Dec. 31, 2013	Jan. 31, 2013
Unrecognized tax benefits
Beginning balance, February 1, 2013 and 2012	$ 584,000	$ 788,000
Gross increases (decreases)for tax positions of prior years	527,000	(107,000)
Settlements	0	(97,000)
Lapse of statutes of limitation	(143,000)	0
Unrecognized tax benefits balance at December 31, 2013 and January 31, 2013	$ 968,000	$ 584,000