Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Value of input used to measure contingent consideration liability from business combination.

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Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

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Note 2 - Fair Value Measurement (Details Textual)	3 Months Ended
Note 2 - Fair Value Measurement (Details Textual)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Oct. 01, 2020 USD ($)	Nov. 10, 2019	Apr. 01, 2019
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ (491,000)	$ (63,000)
Measurement Input, Price Volatility [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input			0.568
Measurement Input, Price Volatility [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input			0.846
Astero [Member]
Business Combination, Contingent Consideration, Liability, Total	81,000		$ 81,000
Astero [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.110			0.175
Astero [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.0011
Astero [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Minimum [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input						0.0229
Astero [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Maximum [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input						0.0241
Astero [Member] \| Measurement Input, Price Volatility [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.766			0.56
CBS Acquisition [Member]
Business Combination, Contingent Consideration, Liability, Total	140,000		$ 140,000
CBS Acquisition [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.210		0.260
CBS Acquisition [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.0023		0.0174
CBS Acquisition [Member] \| Measurement Input, Price Volatility [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input			0.63		0.70
SciSafe Holdings, Inc [Member]
Business Combination, Contingent Consideration, Liability, Total	6,400,000		$ 6,900,000	$ 3,700,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 491,000
SciSafe Holdings, Inc [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	5			0.045
SciSafe Holdings, Inc [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.42			0.0020
SciSafe Holdings, Inc [Member] \| Measurement Input, Asset Price Volatility [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	62			0.60
SciSafe Holdings, Inc [Member] \| Measurement Input, Revenue Volatility [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	16			0.15