Note 28 - Share-based Compensation Expenses - Options Issued and Outstanding (Details) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Balance, number of underlying shares (in shares)	835,216
Balance, weighted average remaining contractual life	4 years 105 days	5 years 14 days
Balance, weighted average exercise price (in dollars per share)	$ 2.49
Balance, number of underlying shares (in shares)	517,056
Balance, weighted average remaining contractual life	4 years 135 days	5 years 87 days
Balance, weighted average exercise price (in dollars per share)	$ 2.73
Granted/Vested (in shares)	159,080
Granted/Vested	3 years 346 days
Granted/Vested (in dollars per share)	$ 2.10
Balance, number of underlying shares (in shares)	835,216	835,216
Balance, weighted average exercise price (in dollars per share)	$ 2.49	$ 2.49
Balance, number of underlying shares (in shares)	676,136	517,056
Balance, weighted average exercise price (in dollars per share)	$ 2.59	$ 2.73