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v3.20.1

Note 1 - Organization and Significant Accounting Policies (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 12, 2019 USD ($) | Aug. 08, 2019 shares | Apr. 01, 2019 USD ($) shares | Nov. 30, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Mar. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Mar. 30, 2018 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Aug. 07, 2019 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2019 USD ($) $ / shares | Dec. 31, 2018 USD ($) | Jan. 01, 2019 USD ($) | Dec. 31, 2017 USD ($)
Cash and Cash Equivalents, at Carrying Value, Ending Balance |  |  |  |  | $ 21,205,000 | $ 19,617,000 | $ 31,824,000 | $ 31,824,000 | $ 32,381,000 | $ 14,167,000 | $ 7,033,000 | $ 7,033,000 |  | $ 19,617,000 | $ 14,167,000 |  | $ 21,205,000 | $ 32,381,000 | $ 6,448,000 | $ 30,657,000 |  | $ 6,663,000
Net Income (Loss) Attributable to Parent, Total |  |  |  |  | 10,269,000 | $ 4,252,000 | $ (19,161,000) | $ (19,161,000) | $ (24,465,000) | $ (26,346,000) | $ 4,873,000 | $ 4,873,000 |  | $ (14,909,000) | $ (21,472,000) |  | (4,640,000) | $ (45,938,000) | (1,657,000) | (25,005,000) |  |
Impairment Loss Recognized During Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |
Operating Lease, Right-of-Use Asset |  |  |  |  | $ 1,177,000 |  |  |  |  |  |  |  |  |  |  |  | $ 1,177,000 |  | 1,040,000 |  | $ 1,300,000 |
Operating Lease, Liability, Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,354,000 |  | $ 1,800,000 |
Deferred Rent Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 479,000 |  |
Liability for Uncertainty in Income Taxes, Current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Advertising Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 43,000 | $ 30,000 |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% | 29.00% |  |
Number of Major Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 71.00% |  |
Number of Major Customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 3 |  |
Product Concentration Risk [Member] | Revenue Benchmark [Member] | CryoStor Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74.00% | 88.00% |  |
SAVSU [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,700,000 |  |  |  | $ 1,900,000 |  |
Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Securities without Readily Determinable Fair Value, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |
Equity Securities without Readily Determinable Fair Value, Conversion Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.33 |  |  |
Convertible Debt Securities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale, Amortized Cost, Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Astero [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 12,521,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Asset, Total |  |  | 8,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Astero [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Earnout Payment |  |  |  |  |  |  |  |  |  |  |  |  | $ 484,000 |  |  |  |  |  |  |  |  |
Astero [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Asset, Total |  |  | $ 8,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SAVSU [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combinations, Number of Shares Acquired (in shares) | shares |  | 1,100,000 | 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 23,932,000 |  |  |
CBS Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 11,000,000 |  |  | $ 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Asset, Total | 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Acquisitions | $ 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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