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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Part 1 (Details) - USD ($)	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Abstract]
Total revenues	$ 9,720,939	$ 9,888,136	$ 8,542,265	$ 9,825,125	$ 8,960,782	$ 8,024,945	$ 18,430,401	$ 16,985,727	$ 27,613,291	$ 26,810,852	$ 34,581,440	$ 25,208,951
Contract Liabilities [Abstract]
Deferred revenue	237,500								237,500		422,905
Earned grant revenue									422,905
Inventories [Abstract]
Raw materials	2,653,368								2,653,368		2,803,677
Work in process	1,313,045								1,313,045		263,043
Finished goods	4,442,931								4,442,931		4,784,502
Inventories	8,409,344								8,409,344		7,851,222
Inventory valuation reserves	67,000								67,000		78,000
Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	9,629,417			9,493,255					26,356,252	25,143,795
Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	91,522			331,870					1,255,579	1,667,057
Africa [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,250,063			3,193,098					6,009,103	7,156,822
Asia [Member]
Disaggregation of Revenue [Abstract]
Total revenues	505,379			216,527					746,025	1,212,839
Europe & Middle East [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,629,965			1,666,066					4,880,744	3,831,580
Latin America [Member]
Disaggregation of Revenue [Abstract]
Total revenues	4,296,903			3,404,683					9,981,874	9,743,764
United States [Member]
Disaggregation of Revenue [Abstract]
Total revenues	2,038,629			1,344,811					5,995,545	4,865,847
Net Product Sales [Member]
Disaggregation of Revenue [Abstract]
Total revenues	8,510,629	$ 8,785,041	$ 6,624,285	8,304,370	$ 7,098,317	$ 6,706,040	$ 15,409,326	$ 13,804,357	23,381,906	22,108,727	$ 27,913,209	$ 20,515,826
Net Product Sales [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	8,510,629			8,304,370					23,381,906	22,108,727
Net Product Sales [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	0			0					0	0
Net Product Sales [Member] \| Africa [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,250,063			3,193,098					6,009,103	7,156,822
Net Product Sales [Member] \| Asia [Member]
Disaggregation of Revenue [Abstract]
Total revenues	505,379			216,527					746,025	1,212,839
Net Product Sales [Member] \| Europe & Middle East [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,027,147			728,073					2,946,813	1,773,872
Net Product Sales [Member] \| Latin America [Member]
Disaggregation of Revenue [Abstract]
Total revenues	4,296,904			3,404,683					9,981,874	9,743,764
Net Product Sales [Member] \| United States [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,431,136			761,989					3,698,091	2,221,430
License and Royalty Revenue [Member]
Disaggregation of Revenue [Abstract]
Total revenues	238,330			228,553					703,352	707,010
License and Royalty Revenue [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	238,330			228,553					703,352	707,010
License and Royalty Revenue [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	0			0					0	0
R&D and Grant Revenue [Member]
Disaggregation of Revenue [Abstract]
Total revenues	971,980			1,292,202					3,528,033	3,995,115
R&D and Grant Revenue [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	880,458			960,332					2,272,454	2,328,058
R&D and Grant Revenue [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	$ 91,522			$ 331,870					$ 1,255,579	$ 1,667,057
Minimum [Member]
Product Revenue [Abstract]
Revenue, payment terms									30 days
Maximum [Member]
Product Revenue [Abstract]
Revenue, payment terms									60 days
Warrants [Member]
Loss Per Share [Abstract]
Antidilutive securities excluded from calculation of diluted earnings per share (in shares)	550,000
Options [Member]
Loss Per Share [Abstract]
Antidilutive securities excluded from calculation of diluted earnings per share (in shares)	650,093			693,116					672,472	709,042