Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.2.0.727
Significant Accounting Policies - Additional Information (Detail)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
USD ($)
Supplier
Jun. 30, 2015
USD ($)
Customer
Supplier
Dec. 31, 2014
USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Number of dental distributor with guaranteed rights of returns | Customer   2  
Revenue deferred under guaranteed rights of return arrangements $ 17,855 $ 17,855 $ 21,222
Inventory reserve 68,200 68,200 50,100
Accounts payable and accrued expenses for key suppliers 548,686 548,686 710,210
Uninsured portion of cash balance $ 7,793,503 $ 7,793,503 10,198,921
Supplier Concentration Risk [Member]      
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Number of key suppliers | Supplier 4 4  
Accounts payable and accrued expenses for key suppliers $ 60,643 $ 60,643 189,120
Guaranteed Rights of Return [Member]      
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]      
Revenue deferred under guaranteed rights of return arrangements $ 17,855 $ 17,855 $ 21,222