Note 9 - Acquisition of Business - Purchase Price (Details) - USD ($)		9 Months Ended
	Mar. 08, 2016	Sep. 30, 2017	Sep. 30, 2016
Cash consideration at closing, net of cash acquired		$ 766,000	$ 15,161,000
BAMKO [Member]
Cash consideration at closing, net of cash acquired	$ 15,161,000
Restricted shares of Superior common stock issued	4,558,000
Contingent consideration	5,205,000
Total Consideration	$ 24,924,000