Pension Plan - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015 USD ($) Security	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, general information	The Company maintained a Defined Benefit Pension Plan (the “Pension Plan”) which had been, prior to December 31, 2011, for all employees who had attained the age of 21 and completed one year of service. The pension benefits were based primarily on years of service and the average compensation for the five highest consecutive years during the final ten years of employment. The benefit formula generally provided for a life annuity benefit.
Pension benefits average compensation highest consecutive years	5 years
Pension benefits average compensation highest consecutive final years of employment	10 years
Cost of legal and other advisors to complete termination		$ 170,000
Total contribution to defined benefit plan		43,254	$ 84,600
Excess of the unrecognized (gain) or loss of the projected benefit obligation, percent	10.00%
Excess of the unrecognized (gain) or loss of the market related value of assets, percent	10.00%
Excess of the unrecognized (gain) or loss, amortization period	12 years 7 months 6 days
Short-term obligations of the U.S. government, percentage of consolidated assets	4.00%
Number of security except short term obligations constitute more than 4% of consolidated assets | Security	0
Pension plan assets	$ 0	0
Expected future benefit payments		$ 0	$ 8,852,262
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Allocation of investments	60.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Allocation of investments	40.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Allocation of investments	10.00%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, eligibility age criteria	21 years
Defined benefit plan eligibility year of service rendered	1 year