XML 81 R65.htm IDEA: XBRL DOCUMENT v3.3.1.900
Restructuring Costs - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2015
USD ($)
Employees
Dec. 31, 2014
USD ($)
Restructuring Cost and Reserve [Line Items]    
Accrued expenses and accrued liabilities $ 5,731,596 $ 4,869,710
Employee Severance [Member]    
Restructuring Cost and Reserve [Line Items]    
Number of employees eliminated | Employees 17  
Percentage of employees eliminated 25.00%  
One-time charge for severance and related expenses $ 392,000  
Accrued expenses and accrued liabilities $ 392,000