Note 4 - Acquisition (Details Textual) - Eliza Holding Corp [Member] - USD ($) $ in Millions			12 Months Ended
Apr. 17, 2017	Sep. 02, 2016	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Payments to Acquire Businesses, Gross	$ 171.6
Business Acquisition, Funding Source, Cash on Hand, Percentage	75.00%
Business Acquisition, Funding Source, Existing Credit Line, Percentage	25.00%
Business Acquisition, Pro Forma Revenue			$ 51.9	$ 30.4
Business Combination, Consideration Transferred, Total		$ 24.2

The percentage of the purchase price using cash on hand as the source of funding for a business acquisition.

No definition available.

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- Definition

The percentage of the purchase price using an existing credit line as the source of funding for a business acquisition.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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