v2.4.0.6
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Operating Loss Carryforwards [Line Items]    
Valuation allowance $ 1,940  
Deferred tax asset 1,940  
Total Merger Transaction 5,013  
Investment banking fees 1,138  
Consulting fees 1,370  
Legal and accounting fees 1,964  
Other miscellaneous transaction costs 541  
Additional foreign withholding taxes 822  
Decrease in the reserve for unrecognized tax benefits 1,438 3
General Business Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Foreign tax credit carryforwards 232  
Valuation allowance 149  
Foreign Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Valuation allowance 9  
Minimum [Member] | General Business Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2017  
Minimum [Member] | Foreign Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2020  
Maximum [Member] | General Business Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2031  
Maximum [Member] | Foreign Tax Credit Carryforwards [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2021  
Foreign tax credit carryforwards 9  
Domestic Tax Authority [Member]
    
Operating Loss Carryforwards [Line Items]    
Federal capital loss carryforward 1,015  
Valuation allowance 374  
Decrease in net capital loss Carryforward 214  
Domestic Tax Authority [Member] | Minimum [Member]
    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards for tax 62,886  
Expiry period of carryforwards 2023  
Expiry period of carryforwards 2013  
Domestic Tax Authority [Member] | Maximum [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2032  
Expiry period of carryforwards 2014  
Foreign Subsidiaries [Member]
    
Operating Loss Carryforwards [Line Items]    
Valuation reserve 261  
Foreign Subsidiaries [Member] | Minimum [Member]
    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards for tax 4,263  
Expiry period of carryforwards 2027  
Foreign Subsidiaries [Member] | Maximum [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2032  
State and Local Jurisdiction [Member]
    
Operating Loss Carryforwards [Line Items]    
Aggregate tax benefit 2,963  
Valuation allowance 368  
Increase in net operating loss carryforwards $ 72  
State and Local Jurisdiction [Member] | Minimum [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2013  
State and Local Jurisdiction [Member] | Maximum [Member]
    
Operating Loss Carryforwards [Line Items]    
Expiry period of carryforwards 2032