Related Party Transactions (Detail) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended
	Mar. 31, 2014 SP Corporate Services LLC	Mar. 31, 2013 SP Corporate Services LLC	Mar. 31, 2014 SP Corporate Services LLC Monthly Expanded Services	Oct. 31, 2013 iGo	Mar. 31, 2014 WebBank Interest Income	Mar. 31, 2013 WebBank Interest Income	Mar. 31, 2014 WebBank Short-term deposits	Mar. 31, 2014 Steel Excel Percentage Owned By Steel Partners
Ownership								55.20%
Provision of services	$ 2,200,000	$ 1,000,000	$ 700,000
Accounts payable	500,000
Fixed annual fee				400,000
Short-term deposits							15,200,000
Interest income					$ 7,000	$ 25,000