Note 7 - Intangible Assets, Net (Details) - Intangible Assets - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cost:
Intangible assets, cost	$ 108,778	$ 108,778
Accumulated amortization:
Intangible assets, accumulated amortization	66,040	64,756
Impairment: (Note 7b)
Inangible assets, impairment	38,887	38,887
Amortized cost	3,851	5,135
Technology-Based Intangible Assets [Member]
Cost:
Intangible assets, cost	77,080	77,080
Accumulated amortization:
Intangible assets, accumulated amortization	48,263	48,263
Impairment: (Note 7b)
Inangible assets, impairment	$ 28,817	28,817
Customer Relationships [Member]
Cost:
Intangible assets, useful life	7 years 109 days
Intangible assets, cost	$ 23,477	23,477
Accumulated amortization:
Intangible assets, accumulated amortization	$ 13,407	13,407
In Process Research and Development [Member]
Cost:
Intangible assets, useful life	6 years
Intangible assets, cost	$ 7,702	7,702
Accumulated amortization:
Intangible assets, accumulated amortization	$ 3,851	2,567
Noncompete Agreements [Member]
Cost:
Intangible assets, useful life	3 years
Intangible assets, cost	$ 519	519
Accumulated amortization:
Intangible assets, accumulated amortization	519	519
Impairment: (Note 7b)
Inangible assets, impairment	$ 10,070	$ 10,070
Minimum [Member]
Cost:
Intangible assets, useful life	3 years
Minimum [Member] | Technology-Based Intangible Assets [Member]
Cost:
Intangible assets, useful life	4 years 73 days
Maximum [Member]
Cost:
Intangible assets, useful life	7 years 109 days
Maximum [Member] | Technology-Based Intangible Assets [Member]
Cost:
Intangible assets, useful life	5 years 109 days