Quarterly report pursuant to Section 13 or 15(d)

Significant Customers & Geographical Information - Sales by Product and by Geographical Region (Detail)

v3.2.0.727
Significant Customers & Geographical Information - Sales by Product and by Geographical Region (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Product Information [Line Items]        
Total sales $ 1,766,759 $ 2,506,932 $ 4,536,963 $ 5,127,766
Instruments [Member]        
Product Information [Line Items]        
Total sales 289,755 683,398 1,416,334 1,524,379
Handpieces [Member]        
Product Information [Line Items]        
Total sales 1,430,141 1,784,982 3,076,655 3,518,197
Other [Member]        
Product Information [Line Items]        
Total sales 46,863 38,552 43,974 85,190
United States [Member]        
Product Information [Line Items]        
Total sales 841,614 1,181,374 1,709,176 2,395,018
Canada [Member]        
Product Information [Line Items]        
Total sales 27,379 47,138 43,356 71,873
Other Foreign [Member]        
Product Information [Line Items]        
Total sales $ 897,766 $ 1,278,420 $ 2,784,431 $ 2,660,875