SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Acquisition-Related Contingent Consideration (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Jul. 01, 2015
Summary of balance and activity of contingent consideration
Period change in valuation	$ (486,044)	$ (295,000)
Devicix, LLC
Acquisition-Related Contingent Consideration
Contingent consideration paid					$ 2,500,000
Summary of balance and activity of contingent consideration
Beginning fair value of contingent liability	556,000	851,000
Period change in valuation	(483,465)	(294,342)
Payments	(2,579)	(658)
Ending fair value of contingent liability	69,956	556,000
Balance Sheet Classification
Contingent liability balance	$ 556,000	$ 851,000	$ 69,956	$ 556,000
Devicix, LLC | Other accrued liabilities
Balance Sheet Classification
Other Accrued Liabilities			21,956	21,700
Devicix, LLC | Other Long-Term Liabilities
Balance Sheet Classification
Other Long-Term Liabilities			$ 48,000	$ 534,300
Devicix, LLC | Significant unobservable inputs (Level 3) | Recurring
Acquisition-Related Contingent Consideration
Discount Rate	21.00%	21.00%
Probability of payment	33.30%	33.30%