Note 8 - Restructuring Charges (Details Textual) (USD $)	3 Months Ended	9 Months Ended	14 Months Ended
Mar. 31, 2015	Mar. 31, 2015	Jun. 30, 2016
Payments for Restructuring	$ 300,000us-gaap_PaymentsForRestructuring	$ 1,600,000us-gaap_PaymentsForRestructuring
Gain (Loss) on Disposition of Assets	(200,000)us-gaap_GainLossOnDispositionOfAssets1	(200,000)us-gaap_GainLossOnDispositionOfAssets1
Proceeds from Sale of Property, Plant, and Equipment		400,000
Employee Severance [Member] \| Scenario, Forecast [Member]
Payments for Restructuring			400,000
Proceeds from Sale of Property, Plant, and Equipment			400,000
Employee Severance [Member]
Payments for Restructuring		1,600,000
Other Charges Related to Office Closure [Member] \| Scenario, Forecast [Member]
Payments for Restructuring			$ 300,000

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Balance Type:	credit
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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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