SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2008
Concentration Risk [Line Items]
Accounts Receivable						$ 4,579,553	$ 2,422,971
Proceeds from Customers			$ 8,176,364	$ 12,274,330
Revenue Recognition [Abstract]
Deferred revenue						818,848	353,406
Inventories [Abstract]
Raw materials						2,004,357	2,248,371
Work in process						609,548	370,340
Finished goods						867,914	959,314
Inventories						$ 3,481,819	3,578,025
Summary of weighted average shares used for computation of basic and diluted earnings per share [Abstract]
Basic (in shares)	9,667,543	9,627,951	9,649,612	9,623,773
Diluted (in shares)	9,667,543	9,627,951	9,649,612	9,623,773
Options and warrants excluded from calculation of diluted per common share equivalent because the effect would have been anti-dilutive (in shares)	667,995	651,768	708,514	667,082
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average estimated grant-date fair value of stock options granted (in dollars per share)	$ 3.24	$ 0	$ 2.77
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	$ 92,677	$ 86,282	$ 146,265	$ 195,591
Revenues from External Customers [Line Items]
Number of product groups						1
Net product sales	$ 2,034,072	6,321,554	$ 7,951,091	11,936,239
Summary of accounts payable and accrued liabilities [Abstract]
Accounts payable - suppliers						$ 1,319,683	1,260,520
Accrued commissions						383,112	129,192
Accrued royalties / license fees						358,462	732,301
Accrued payroll						149,803	146,962
Accrued vacation						301,703	244,810
Accrued bonuses						0	177,700
Accrued expenses - other						195,599	109,947
TOTAL						$ 2,708,362	$ 2,801,432
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options outstanding under the plan (in shares)	623,424		649,478		649,478	623,424	649,478
Number of stock options exercised under the plan (in shares)			(132,929)
Assumptions made in calculating fair values of options [Abstract]
Expected term	4 years 6 months
Expected dividend yield	0.00%		0.00%
Stock options, number of shares [Roll forward]
Outstanding, beginning of period (in shares)			649,478
Granted (in shares)			106,875
Exercised (in shares)			132,929
Forfeited/expired/cancelled (in shares)			0
Outstanding, end of period (in shares)	623,424		623,424		649,478
Exercisable, end of period (in shares)	305,049		305,049
Stock options, outstanding, weighted average exercise price per share [Roll Forward]
Outstanding, beginning of period (in dollars per share)			$ 3.75
Granted (in dollars per share)			7.05
Exercised (in dollars per share)			4.01
Forfeited/expired/cancelled (in dollars per share)			0.00
Outstanding, end of period (in dollars per share)	$ 4.26		4.26		$ 3.75
Exercisable, end of period (in dollars per share)	$ 3.79		$ 3.79
Stock options, additional disclosure [Abstract]
Outstanding, weighted average remaining contractual term			3 years 6 months 25 days		3 years 2 months 16 days
Exercisable, weighted average remaining contractual term			2 years 7 months 28 days
Outstanding, aggregate intrinsic value, beginning of period			$ 1,032,362
Outstanding, aggregate intrinsic value, end of period	$ 2,481,356		2,481,356		$ 1,032,362
Exercisable, aggregate intrinsic value, end of period	$ 1,343,516		$ 1,343,516
Net unrecognized compensation cost						$ 446,729
Weighted average period for recognition of net unrecognized compensation cost			2 years 6 months 11 days
Total fair value of stock options vested during period			$ 206,701	357,484
Stock Options [Member] | Minimum [Member]
Assumptions made in calculating fair values of options [Abstract]
Expected term			4 years 6 months
Expected volatility	43.00%		43.00%
Risk-free interest rate	0.97%		0.90%
Stock Options [Member] | Maximum [Member]
Assumptions made in calculating fair values of options [Abstract]
Expected term			5 years
Expected volatility			48.66%
Risk-free interest rate			0.97%
2008 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized under the plan (in shares)						750,000		625,000
Number of stock options outstanding under the plan (in shares)	286,806		286,806			286,806
Increase in number of shares authorized (in shares)			125,000
Number of stock options exercised under the plan (in shares)			411,929
Options or shares still available to be issued (in shares)						51,265
Stock options, number of shares [Roll forward]
Exercised (in shares)			(411,929)
Outstanding, end of period (in shares)	286,806		286,806
2014 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized under the plan (in shares)						800,000
Number of stock options outstanding under the plan (in shares)	129,750		129,750			129,750
Number of stock options exercised under the plan (in shares)			0
Options or shares still available to be issued (in shares)						670,250
Stock options, number of shares [Roll forward]
Exercised (in shares)			0
Outstanding, end of period (in shares)	129,750		129,750
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	$ 27,300	14,800	$ 34,700	33,000
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	65,400	71,400	111,500	162,600
Africa [Member]
Revenues from External Customers [Line Items]
Net product sales	395,231	1,131,684	713,989	2,707,738
Asia [Member]
Revenues from External Customers [Line Items]
Net product sales	88,984	59,340	64,005	110,153
Europe [Member]
Revenues from External Customers [Line Items]
Net product sales	205,667	157,689	123,096	222,835
North America [Member]
Revenues from External Customers [Line Items]
Net product sales	667,165	1,071,216	2,389,024	2,385,767
South America [Member]
Revenues from External Customers [Line Items]
Net product sales	$ 677,025	$ 3,901,625	$ 4,660,977	$ 6,509,746
Customer One [Member]
Concentration Risk [Line Items]
Accounts Receivable						$ 3,400,000