Note 5 - Trade Receivables (Details) (USD $)	Jun. 30, 2013	Sep. 30, 2012
Note 5 - Trade Receivables (Details) [Line Items]
Accounts Receivable, Net, Current	$ 27,148,000	$ 21,438,000
Allowance for Doubtful Accounts Receivable, Current	467,000	44,000
Allowance for Doubtful Accounts [Member]
Note 5 - Trade Receivables (Details) [Line Items]
Allowance for Doubtful Accounts Receivable, Current	25,000
Allowance for Sales Returns [Member]
Note 5 - Trade Receivables (Details) [Line Items]
Allowance for Doubtful Accounts Receivable, Current	$ 442,000	$ 44,000

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a(1)

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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