SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
INTANGIBLE ASSETS
Loss on abandonment of patents		$ 0
Patents
INTANGIBLE ASSETS
Remaining estimated weighted average useful lives	11 years 4 months 24 days
Loss on abandonment of patents	$ 46,000
Licensing Agreements
INTANGIBLE ASSETS
Remaining estimated weighted average useful lives	2 years 3 months 18 days
Noncompete Agreements
INTANGIBLE ASSETS
Remaining estimated weighted average useful lives	0 years