EQUITY INCENTIVE PLANS, Part 1 (Details) - USD ($)		12 Months Ended
	Sep. 22, 2011	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 19, 2014	Jun. 03, 2008
Stock options, additional disclosure [Abstract]
Outstanding, aggregate intrinsic value, end of period		$ 285,925
Exercisable, aggregate intrinsic value, end of period		285,925
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Allocated share-based compensation expense		$ 1,655,900	$ 632,805
Stock Options [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Weighted average estimated grant-date fair value of stock options granted (in dollars per share)		$ 0	$ 3.76
Assumptions made in calculating fair values of options [Abstract]
Expected term			4 years 11 months 16 days
Expected volatility			39.91%
Risk-free interest rate			2.70%
Stock options, number of shares [Roll forward]
Outstanding, beginning of period (in shares)		711,968	810,670
Granted (in shares)		0	93,750
Exercised (in shares)		54,343	144,947
Forfeited/expired/cancelled (in shares)		15,000	47,505
Outstanding, end of period (in shares)		642,625	711,968	810,670
Exercisable, end of period (in shares)		493,958	396,799
Stock options, weighted average exercise price per share [Roll Forward]
Outstanding, beginning of period (in dollars per share)		$ 5.62	$ 5.18
Granted (in dollars per share)		0	9.80
Exercised (in dollars per share)		3.60	4.83
Forfeited/expired/cancelled (in dollars per share)		5.68	8.82
Outstanding, end of period (in dollars per share)		5.79	5.62	$ 5.18
Exercisable, end of period (in dollars per share)		$ 5.22	$ 4.70
Stock options, additional disclosure [Abstract]
Outstanding, weighted average remaining contract term		2 years 6 months 25 days	3 years 3 months 29 days	3 years 5 months 5 days
Exercisable, weighted average remaining contract term		2 years 2 months 12 days	2 years 7 months 28 days
Outstanding, aggregate intrinsic value, beginning of period		$ 687,364	$ 2,477,853
Granted, aggregate intrinsic value		0
Exercised, aggregate intrinsic value		172,242	523,327
Forfeited/expired/cancelled, aggregate intrinsic value		0
Outstanding, aggregate intrinsic value, end of period		285,925	687,364	$ 2,477,853
Exercisable, aggregate intrinsic value, end of period		285,925	568,956
Net unrecognized compensation cost		$ 432,746
Weighted average period for recognition of net unrecognized compensation cost		2 years
Total fair value of stock options vested during period		$ 469,032
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Allocated share-based compensation expense		$ 261,088	351,556
2008 Stock Incentive Plan [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Options still available to be issued (in shares)		0
Stock options, number of shares [Roll forward]
Exercised (in shares)		0
Outstanding, end of period (in shares)		0
2008 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Number of shares authorized under the plan (in shares)	750,000					625,000
Increase in number of shares authorized (in shares)	125,000
2014 Stock Incentive Plan [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Options still available to be issued (in shares)		148,667
2014 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Number of shares authorized under the plan (in shares)					800,000
Stock options, number of shares [Roll forward]
Exercised (in shares)		54,343
Outstanding, end of period (in shares)		642,625
2019 Omnibus Incentive Plan [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Options still available to be issued (in shares)		2,025,000
Number of restricted shares awarded under the plan (in shares)		375,000
2019 Omnibus Incentive Plan [Member] | Stock Options [Member]
Share-based Arrangements with Employees and Nonemployees [Abstract]
Number of shares authorized under the plan (in shares)		2,400,000
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Allocated share-based compensation expense		$ 10,806	25,615
Research and Development Expense [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Allocated share-based compensation expense		228,597	78,831
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Allocated share-based compensation expense		$ 1,416,497	$ 528,360