Note 4 - Acquisitions (Detail) - Summary of Acquired Intangibles and Goodwill from Transtem LLC (Transtem LLC [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Goodwill [Member]
Goodwill (in Dollars)	$ 5
Maximum [Member] \| Purchased Technology [Member]
Purchased technology	24.00%
Minimum [Member] \| Purchased Technology [Member]
Purchased technology	22.60%
Purchased Technology [Member]
Purchased technology (in Dollars)	$ 813
Purchased technology	5 years

Gross amount, as of the balance sheet date, of the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable), in excess of the fair value of net assets acquired in one or more business combination transactions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Name:	us-gaap_GoodwillGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant