Note 7 - Business Combination With B&R Global (Details Textual) - B & R [Member] - USD ($)		12 Months Ended
	Nov. 04, 2019	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	30,700,000
Business Combination, Consideration Transferred, Total	$ 576,699,494
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	188,503,000
Business Combination, Pro Forma Information, Amortization Expense		$ 10,890,300	$ 10,890,300
Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	29,303,000
Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 159,200,000