ACQUISITION (Details) - USD ($)		3 Months Ended
	Nov. 06, 2018	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Business Combination, Consideration Transferred [Abstract]
Goodwill reduced due to routine post-closing adjustments		$ (135,000)
Acquisition costs		395,612	$ 0
Fair values of Assets Acquired and Liabilities Assumed [Abstract]
Goodwill		4,854,946		$ 4,983,127
opTricon [Member]
Business Combination, Consideration Transferred [Abstract]
Goodwill reduced due to routine post-closing adjustments		(135,000)
Acquisition costs		$ 395,612
Fair values of Assets Acquired and Liabilities Assumed [Abstract]
Net current assets	$ 404,204
Property, plant and equipment	125,000
Goodwill	3,337,000
Deferred tax liability	(635,000)
Other intangible assets (estimated useful life):
Other intangible assets	2,260,000
Total consideration	5,491,204
opTricon [Member] | Developed Technology [Member]
Other intangible assets (estimated useful life):
Other intangible assets	$ 1,900,000
Weighted average useful life	7 years
opTricon [Member] | Customer Contracts / Relationships [Member]
Other intangible assets (estimated useful life):
Other intangible assets	$ 360,000
Weighted average useful life	10 years