Note 19 - The Financing and Warrant Liabilities - Warrant Activity (Details)	12 Months Ended
	Dec. 31, 2018 $ / shares shares
Balance (in shares) | shares	0
Balance, January 1, 2018 (in dollars per share)
Balance, exercisable (in shares) | shares	0
Balance, January 1, 2018 (in dollars per share)
Balance, exercisable, weighted average exercise price (in dollars per share)
Granted/Vested (in shares) | shares	774,000
Granted/Vested, weighted average remaining contractual life (Year)	2 years 211 days
Granted/Vested, weighted average exercise price (in dollars per share)	$ 6.60
Granted/Vested, exercisable (in shares) | shares	774,000
Granted/Vested, exercisable, weighted average remaining contractual life (Year)	2 years 211 days
Granted/Vested, exercisable, weighted average exercise price (in dollars per share)	$ 6.60
Forfeited (in shares) | shares
Forfeited (in dollars per share)
Exercised (in shares) | shares
Exercised (in dollars per share)
Balance (in shares) | shares	774,000
Balance, weighted average remaining contractual life (Year)	1 year 229 days
Balance, weighted average exercise price (in dollars per share)	$ 6.60
Balance, exercisable (in shares) | shares	774,000
Balance, exercisable, weighted average remaining contractual life (Year)	1 year 229 days
Balance, exercisable, weighted average exercise price (in dollars per share)	$ 6.60