Note 14 - Stockholders' Equity (Details Textual)	9 Months Ended
	Sep. 30, 2019 $ / shares shares	Dec. 31, 2018 $ / shares shares
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01
Common Stock, Shares, Issued, Total	20,153,269	20,153,269
Common Stock, Shares, Outstanding, Ending Balance	20,152,029	20,152,029
Common Stock, Voting Rights Number	1