SIGNIFICANT ACCOUNTING POLICIES, Part 1 (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2020	Jul. 31, 2020	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	$ 23,066,301			$ 23,066,301	$ 18,271,352
Cash and Cash Equivalents [Abstract]
Restricted cash	1,000,000			1,000,000	0
Valuation of Long-Lived Assets and Intangible Assets [Abstract]
Goodwill impairment loss				0	0
Disaggregation of Revenue [Abstract]
Total revenues				32,470,197	34,464,032
Contract Liabilities [Abstract]
Deferred revenue	1,606,997			1,606,997	125,000
Earned grant revenue				$ 100,000
Term over which revenue will be recognized				12 months
SARS-CoV-2 Ag System [Member]
Contract Liabilities [Abstract]
Maximum amount of development agreement		$ 600,000
Multiplex DPP Respiratory Antigen Panel Point-of-care Test system [Member]
Contract Liabilities [Abstract]
Maximum amount of development agreement	12,700,000
Forecast [Member]
Contract Liabilities [Abstract]
Earned grant revenue			$ 800,000
Government Grant Income [Member]
Disaggregation of Revenue [Abstract]
Total revenues				$ 2,018,924	654,744
Government Grant Income [Member] | SARS-CoV-2 Ag System [Member]
Disaggregation of Revenue [Abstract]
Total revenues				400,000
Government Grant Income [Member] | Multiplex DPP Respiratory Antigen Panel Point-of-care Test system [Member]
Disaggregation of Revenue [Abstract]
Total revenues				1,600,000
Level 2 [Member]
Fair Value of Financial Instruments [Abstract]
Fair value of total debt	20,000,000			20,000,000	20,000,000
Carrying value	18,200,000			18,200,000	17,600,000
Money Market Funds [Member] | Level 1 [Member]
Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	$ 14,800,000			$ 14,800,000	$ 16,000,000.0
Minimum [Member]
Fixed Assets [Abstract]
Estimated useful lives of fixed assets				3 years
Product Revenue [Abstract]
Revenue, payment terms				30 days
Maximum [Member]
Fixed Assets [Abstract]
Estimated useful lives of fixed assets				7 years
Product Revenue [Abstract]
Revenue, payment terms				60 days