Note 8 - Earnings Per Share (Details Textual) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,000,000	3,000,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	7,000,000	7,000,000
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	273,000	273,000