Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.3.1.900
Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Dec. 31, 2015
USD ($)
ft²
Dec. 31, 2014
USD ($)
Commitment And Contingencies [Line Items]    
Terms of lease 3 years  
Standby letters of credit $ 13,728  
Area of land space expected to be occupied by company | ft² 6,326  
Expected operating lease term 5 years  
Standby letter of credit amount increased due to lease amendment $ 36,375  
Rent expense $ 55,496 $ 35,550
Norwood, Ma [Member]    
Commitment And Contingencies [Line Items]    
Area of office space | ft² 2,387