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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Part 1 (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Disaggregation of Revenue [Abstract]
Total revenues	$ 8,300,966	$ 7,717,132
Contract Liabilities [Abstract]
Deferred revenue	200,000		$ 422,905
Earned grant revenue	422,905
Inventories [Abstract]
Raw materials	3,596,884		2,803,677
Work in process	632,897		263,043
Finished goods	5,626,043		4,784,502
Inventories	9,855,824		7,851,222
Inventory valuation reserves	$ 67,000		$ 78,000
Loss Per Share [Abstract]
Options and warrants excluded from computation of earnings per share (in shares)	705,301	732,199
Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	$ 7,372,243	$ 7,212,313
Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	928,723	504,819
Africa [Member]
Disaggregation of Revenue [Abstract]
Total revenues	2,416,300	1,638,530
Asia [Member]
Disaggregation of Revenue [Abstract]
Total revenues	121,098	967,574
Europe & Middle East [Member]
Disaggregation of Revenue [Abstract]
Total revenues	2,143,221	983,876
Latin America [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,072,066	2,689,893
United States [Member]
Disaggregation of Revenue [Abstract]
Total revenues	2,548,281	1,437,259
Net Product Sales [Member]
Disaggregation of Revenue [Abstract]
Total revenues	6,382,986	6,398,227
Net Product Sales [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	6,382,986	6,398,227
Net Product Sales [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	0	0
Net Product Sales [Member] \| Africa [Member]
Disaggregation of Revenue [Abstract]
Total revenues	2,416,300	1,638,530
Net Product Sales [Member] \| Asia [Member]
Disaggregation of Revenue [Abstract]
Total revenues	121,098	967,574
Net Product Sales [Member] \| Europe & Middle East [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,178,025	392,070
Net Product Sales [Member] \| Latin America [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,072,066	2,689,893
Net Product Sales [Member] \| United States [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,595,497	710,160
License and Royalty Revenue [Member]
Disaggregation of Revenue [Abstract]
Total revenues	216,191	201,931
License and Royalty Revenue [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	216,191	201,931
License and Royalty Revenue [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	0	0
R&D and Grant Revenue [Member]
Disaggregation of Revenue [Abstract]
Total revenues	1,701,789	1,116,974
R&D and Grant Revenue [Member] \| Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	773,066	612,155
R&D and Grant Revenue [Member] \| Non-Exchange Transactions [Member]
Disaggregation of Revenue [Abstract]
Total revenues	$ 928,723	$ 504,819
Minimum [Member]
Product Revenue [Abstract]
Revenue, payment terms	30 days
Maximum [Member]
Product Revenue [Abstract]
Revenue, payment terms	60 days