Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8
Significant Accounting Policies - Additional Information (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Supplier
Vendor
Sep. 30, 2012
Supplier
Sep. 30, 2013
Supplier
Customer
Vendor
Sep. 30, 2012
Supplier
Dec. 31, 2012
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Number of dental distributor with guaranteed rights of returns     2    
Inventory reserve FIFO $ 22,000   $ 22,000   $ 253,000
Number of key suppliers 4 4 4 4  
Accounts payable and accrued expenses 2,364,968   2,364,968   1,157,520
Prepaid balance of vendors 227,008   227,008   221,838
Number of vendors with prepaid balance 1   1    
Guaranteed Rights of Return [Member]
          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Revenue deferred under guaranteed rights of return arrangements 23,711   23,711   27,812
Supplier Concentration Risk [Member]
          
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]          
Accounts payable and accrued expenses 0   0   99,000
Prepaid balance of vendors $ 27,000   $ 27,000