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Stock-Based Compensation - Liability-Classified Stock Compensation - Additional Information (Detail) - USD ($)
9 Months Ended 21 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Dec. 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Accrued Stock-Based Compensation $ 52,154 $ 52,154 $ 135,554
Stock Option [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options exercised 0    
Stock Appreciation Rights [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Option shares issued under stock appreciation rights   0  
Stock Option and Stock Appreciation Rights [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Accrued Stock-Based Compensation $ 52,000.00 $ 52,000.00 $ 136,000.00
2001 Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock eligible for issuance under stock option plan 2001 500,000    
Number of new stock options issued under 2001 plan 0    
2001 Plan [Member] | Stock Appreciation Rights [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options exercised 0