Note 23 - Loss Per Share (Details Textual) - shares	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	774,000		774,000	774,000	774,000
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	835,216		835,216	835,216	835,216
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		266,238