Note 23 - Concentration of Risk (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Customer 1 [Member]
Concentration Risk, Percentage	14.00%	11.00%	29.00%	15.00%	17.00%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Customer 2 [Member]
Concentration Risk, Percentage	12.00%		14.00%	13.00%	24.00%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Number of Major Customers	2	1		2
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Number of Major Customers			2		2
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier 1 [Member]
Concentration Risk, Percentage	52.00%	31.00%	28.00%	43.00%
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier 2 [Member]
Concentration Risk, Percentage	16.00%	50.00%	37.00%	39.00%
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member]
Number of Major Customers	2	2	2	2