Income Taxes - Additional Information (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure Income Taxes Additional Information [Abstract]
Total liability associated with unrecognized tax benefit	$ 50,000	$ 100,000	$ 300,000
State net operating losses for state income tax	25,700,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	884,000
Deferred tax asset related to net operating loss carry-forwards	$ 943,000	$ 1,186,000