Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Taxes [Line Items]
Net operating loss carryforwards, federal	$ 12,100,000		$ 12,100,000
Net operating loss carryforwards, foreign	2,100,000		2,100,000
Income tax net operating loss carryforwards	120,600,000		120,600,000
Net operating loss carryforwards related to foreign income tax	11,300,000		11,300,000
Net deferred tax asset	0		0
Income tax expense	0
Dividend from subsidiaries			14,200,000
Estimated annual effective tax rate			34.83%
Effective tax rate	0.00%		10.70%
Income tax benefit	(481,055)	(50,000)	(481,055)	100,742
General duration of loss carryback period			2 years
Duration of carryback period to 2008 tax year			5 years
Cash tax benefit			0
Percentage of NOL that will offset future alternative minimum taxable income, 5 years election			100.00%
Percentage of NOL that will offset future alternative minimum taxable income, general or 2 years			90.00%
Reversal of AMT [Member]
Income Taxes [Line Items]
Income tax benefit	$ 481,055
Start [Member]
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2018
End [Member]
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2032