Subsequent Events (Details) (USD $)	0 Months Ended							0 Months Ended
	Jul. 03, 2013 Subsequent Event [Member]	Jun. 30, 2013 Subsequent Event [Member]	Jul. 03, 2013 Steel Energy Inc. [Member] Subsequent Event [Member]	Jun. 30, 2013 Term Loan [Member]	Jul. 03, 2013 Term Loan [Member] Steel Energy Inc. [Member] Subsequent Event [Member]	Jun. 30, 2013 Revolving Line Of Credit [Member]	Jul. 03, 2013 Revolving Line Of Credit [Member] Steel Energy Inc. [Member] Subsequent Event [Member]	Jul. 03, 2013 Revolving Credit Facility [Member] Credit Agreement 2018 [Member] Subsequent Event [Member]	Jul. 11, 2013 iGo, Inc. [Member] Subsequent Event [Member]	Jul. 11, 2013 Minimum [Member] iGo, Inc. [Member] Subsequent Event [Member]	Jul. 11, 2013 Maximum [Member] iGo, Inc. [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Line of credit, maximum borrowing capacity			$ 80,000,000.0	$ 20,000,000.0	$ 70,000,000.0	$ 5,000,000.0	$ 10,000,000.0
Receipt of dividends	80,000,000
Line of credit, contractual term (in years)								5 years
Quarterly repayments of principal		$ 2,500,000.0
Percentage of voting interests acquired (as a percent)										30.00%	44.00%
Share price (in dollars per share)									$ 3.95