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Income Taxes - Additional Information (Detail)
 3 Months Ended
Mar. 31, 2016
USD ($)
Income Taxes [Line Items]  
Net deferred tax asset $ 0
Income tax expense 0
Dividend from subsidiaries $ 84,600
Estimated annual effective tax rate 29.35%
Effective tax rate 0.00%
Federal [Member]  
Income Taxes [Line Items]  
Net operating loss carryforwards $ 0
Net operating loss carryforwards subject to expiration $ 143,000,000
Net operating loss carryforwards expiration year 2025
Net operating loss carryforwards expiration year 2035
Foreign [Member]  
Income Taxes [Line Items]  
Net operating loss carryforwards $ 1,400,000
Net operating loss carryforwards subject to expiration $ 21,000,000