FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2021 and December 31, 2020, are summarized below:

	June 30, 2021
	Level 1		Level 2		Level 3		Total Fair Value
Cash equivalents:
Money Market Funds	$	11,564,000	$	—	$	—	$	11,564,000
Subtotal		11,564,000		—		—		11,564,000
Short-term investments:
Corporate Notes/Bonds		—		1,705,000		—		1,705,000
Subtotal		—		1,705,000		—		1,705,000
Long-term investments:
Corporate Notes/Bonds		—		4,523,000		—		4,523,000
Convertible debt		—		—		374,000		374,000
Subtotal		—		4,523,000		374,000		4,897,000
Total	$	11,564,000	$	6,228,000	$	374,000	$	18,166,000

	December 31, 2020
	Level 1		Level 2		Level 3		Total Fair Value
Cash equivalents:
Money Market Funds	$	9,424,000	$	—	$	—	$	9,424,000
Subtotal		9,424,000		—		—		9,424,000
Short-term investments:
Commercial Paper		—		700,000		—		700,000
Corporate Notes/Bonds		—		2,059,000		—		2,059,000
Subtotal		—		2,759,000		—		2,759,000
Long-term investments:
Corporate Notes/Bonds		—		5,605,000		—		5,605,000
Convertible debt		—		—		605,000		605,000
Subtotal		—		5,605,000		605,000		6,210,000
Current Liabilities:
Contingent Consideration		—		—		(550,000)		(550,000)
Subtotal		—		—		(550,000)		(550,000)
Total	$	9,424,000	$	8,364,000	$	55,000	$	17,843,000

Financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2020 and 2019, are summarized below:

	December 31, 2020
	Level 1		Level 2		Level 3			Total Fair Value
Cash equivalents:
Money Market funds	$	9,424,000	$	—	$	—		$	9,424,000
Subtotal		9,424,000		—		—			9,424,000
Short-term investments:
Commercial Paper		—		700,000		—			700,000
Corporate Notes/Bonds		—		2,059,000		—			2,059,000
Subtotal		—		2,759,000		—			2,759,000
Long-term investments:
Corporate Notes/Bonds		—		5,605,000		—			5,605,000
Convertible Debt		—		—		605,000			605,000
Subtotal		—		5,605,000		605,000			6,210,000
Current Liabilities:
Accrued Consideration		—		—		(550,000	)		(550,000	)
Subtotal		—		—		(550,000	)		(550,000	)
Total	$	9,424,000	$	8,364,000	$	55,000		$	17,843,000

	December 31, 2019
	Level 1		Level 2		Level 3		Total Fair Value
Cash equivalents:
Money Market funds	$	8,761,000	$	—	$	—	$	8,761,000
Subtotal		8,761,000		—		—		8,761,000
Short-term investments:
Commercial Paper		—		8,694,000		—		8,694,000
Corporate Notes/Bonds		—		756,000		—		756,000
Subtotal		—		9,450,000		—		9,450,000
Long-term investments:
Convertible Debt		—		—		250,000		250,000
Subtotal		—		—		250,000		250,000
Total	$	8,761,000	$	9,450,000	$	250,000	$	18,461,000