Note 23 - Loss Per Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	774,000	774,000
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	755,216	835,216
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		266,238