Note 26 - Subsequent Events (Details Textual) - CRG Loan Agreement, Texas Case [Member] - USD ($)		1 Months Ended
	Jan. 16, 2018	Dec. 31, 2017
Judicial Ruling [Member]
Loss Contingency, Damages Awarded, Value, Amount not Taken into Consideration		$ 4,100,000
Subsequent Event [Member] \| Judicial Ruling [Member]
Loss Contingency, Damages Awarded, Value, Amount not Taken into Consideration	$ 4,100,000
Subsequent Event [Member] \| Pending Litigation [Member]
Loss Contingency, Damages Awarded,Value, Requested Modified Amount	$ 2,900,000