Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Hi-Tech Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities (USD $)	1 Months Ended
	Apr. 17, 2014	Jun. 30, 2014	Dec. 31, 2013
Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Hi-Tech Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities [Line Items]
Consideration	$ 649,600
Recognized amounts of identifiable assets acquired and liabilities assumed:
Cash and cash equivalents	89,700
Accounts receivable	48,500
Inventory	53,700
Other current assets	23,900
Property and equipment	45,600
Goodwill		196,016,000	29,831,000
Licensing Agreements [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed:
Intangible assets	343,500
IPR&D [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed:
Intangible assets	9,400
Customer Relationships [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed:
Intangible assets	300
Trademarks [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed:
Intangible assets	5,500
Goodwill	177,100
Other non-current assets	600
Total assets acquired	797,800
Assumed current liabilities	(23,500)
Assumed non-current liabilities	(2,800)
Deferred tax liabilities	(121,900)
Total liabilities assumed	(148,200)
	649,600
Cash Paid to Hi-Tech Stockholders [Member]
Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Hi-Tech Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities [Line Items]
Consideration	605,000
Cash Paid to Vested Hi-Tech Option Holders [Member]
Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Hi-Tech Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities [Line Items]
Consideration	40,500
Cash Paid to Key Executives [Member]
Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid for the Hi-Tech Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities [Line Items]
Consideration	$ 4,100