PROPERTY AND EQUIPMENT (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Property and Equipment [Line Items]
Property and equipment	$ 36,908,796	$ 36,083,164
Less - accumulated depreciation	(29,629,360)	(26,275,150)
Property and equipment, net	7,279,436	9,808,014
Dental Equipment [Member]
Property and Equipment [Line Items]
Property and equipment	10,635,883	10,469,568
Furniture and Fixtures [Member]
Property and Equipment [Line Items]
Property and equipment	1,730,191	1,700,995
Leasehold Improvements [Member]
Property and Equipment [Line Items]
Property and equipment	14,331,451	14,242,399
Computer Equipment, Software and Related Items [Member]
Property and Equipment [Line Items]
Property and equipment	8,251,200	7,938,697
Instruments [Member]
Property and Equipment [Line Items]
Property and equipment	$ 1,960,071	$ 1,731,505