EMPLOYEE STOCK OPTION PLAN (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 1999	Dec. 31, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options exercised under the plan (in shares)	318,750	88,551
Weighted average estimated grant-date fair value of stock options granted (in dollars per share)	$ 3.52	$ 3.99
Stock options, number of shares [Roll forward]
Exercised (in shares)	(318,750)	(88,551)
Stock options, additional disclosure [Abstract]
Outstanding, aggregate intrinsic value, end of period	$ 332,500
Exercisable, aggregate intrinsic value, end of period	157,500
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	447,100	332,000
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	700	78,000
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	44,500	106,000
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated share-based compensation expense	401,900	148,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options outstanding under the plan (in shares)	691,869	656,398
Number of stock options exercised under the plan (in shares)	(318,750)
Assumptions made in calculating fair values of options [Abstract]
Expected term (in years)		4 years
Expected volatility minimum (in hundredths)	61.50%	99.60%
Expected volatility maximum (in hundredths)	96.10%	115.77%
Risk-free interest rate minimum (in hundredths)	0.83%	0.34%
Risk-free interest rate minimum (in hundredths)	1.52%	0.34%
Stock options, number of shares [Roll forward]
Outstanding, beginning of period (in shares)	656,398
Granted (in shares)	379,750
Exercised (in shares)	318,750
Forfeited/expired/cancelled (in shares)	25,529
Outstanding, end of period (in shares)	691,869	656,398
Exercisable, end of period (in shares)	265,619
Stock options, weighted average exercise price per share [Roll Forward]
Outstanding, beginning of period (in dollars per share)	$ 2.57
Granted (in dollars per share)	$ 3.52
Exercised (in dollars per share)	$ 1.04
Forfeited/expired/cancelled (in dollars per share)	$ 3.17
Outstanding, end of period (in dollars per share)	$ 3.66	$ 2.57
Exercisable, end of period (in dollars per share)	$ 3.67
Stock options, additional disclosure [Abstract]
Outstanding, weighted average remaining contractual term, beginning of period	3 years 11 months 19 days	1 year 7 months 24 days
Outstanding, weighted average remaining contractual term, end of period	3 years 11 months 19 days	1 year 7 months 24 days
Exercisable, weighted average remaining contractual term, end of period	1 year 11 months 8 days
Outstanding, aggregate intrinsic value, beginning of period	801,888
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	341,729
Outstanding, aggregate intrinsic value, end of period	334,636	801,888
Exercisable, aggregate intrinsic value, end of period	158,149
Net unrecognized compensation cost	630,954
Weighted average period for recognition of net unrecognized compensation cost	2 years 4 months 17 days
Total fair value of stock options vested during period	$ 283,091	$ 118,000
Stock Options [Member] | Minimum [Member]
Assumptions made in calculating fair values of options [Abstract]
Expected term (in years)	4 years 6 months
Stock Options [Member] | Maximum [Member]
Assumptions made in calculating fair values of options [Abstract]
Expected term (in years)	6 years 3 months 18 days	5 years
1999 Stock Option 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)	375,000		187,500
Number of stock options outstanding under the plan (in shares)	0
Maximum period of stock option issuance after adoption of SOP	10 years
Stock options, number of shares [Roll forward]
Outstanding, end of period (in shares)	0
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
Increase in number of shares authorized (in shares)	125,000
Number of stock options outstanding under the plan (in shares)	355,251
Number of stock options exercised under the plan (in shares)	336,826
Options still available to be issued (in shares)	57,923
Stock options, number of shares [Roll forward]
Exercised (in shares)	(336,826)
Outstanding, end of period (in shares)	355,251
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
Increase in number of shares authorized (in shares)	0
Number of stock options outstanding under the plan (in shares)	129,750
Maximum period of stock option issuance after adoption of SOP	10 years
Number of stock options exercised under the plan (in shares)	0
Options 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