Corporate Borrowings And Capital Lease Obligations (Detail) - Indebtedness Outstanding Summary (Parentheticals)	Dec. 31, 2013	Dec. 31, 2012	Nov. 02, 2012
Debt Instrument [Line Items]
Secured Promissory Note, variable interest rate	252.00%	2.84%	1.00%
Wells Fargo Bank [Member]
Debt Instrument [Line Items]
Revolving Credit Agreement, variable interest rate	2.52%	2.52%
Interest [Member]
Debt Instrument [Line Items]
Water Cooling System Capital Lease Obligation, interest rate	0.61%	0.61%
Capital Lease interest rate	0.61%	0.61%
Variable Interest Rate [Member]
Debt Instrument [Line Items]
Secured Promissory Note, variable interest rate	6.63%	6.63%
Interest [Member]
Debt Instrument [Line Items]
Water Cooling System Capital Lease Obligation, interest rate	2.61%	2.61%
Capital Lease interest rate	2.61%	2.61%