Summary of Notes Payable and Obligations under Capital Leases (Detail) (USD $)	Dec. 31, 2014	Sep. 30, 2014
Debt Instrument [Line Items]
Notes payable and obligations under capital leases	$ 10,227,000us-gaap_DebtAndCapitalLeaseObligations	$ 11,685,000us-gaap_DebtAndCapitalLeaseObligations
Less current maturities of notes payable and obligations under capital leases	(6,018,000)	(6,752,000)
Notes payable and obligations under capital leases less current maturities	4,209,000	4,933,000
Obligations under capital leases
Debt Instrument [Line Items]
Notes payable and obligations under capital leases	1,650,000	1,321,000
Second Term Note
Debt Instrument [Line Items]
Notes payable and obligations under capital leases	1,435,000	2,287,000
Third Term Note
Debt Instrument [Line Items]
Notes payable and obligations under capital leases	6,780,000	7,594,000
DSS Term Note
Debt Instrument [Line Items]
Notes payable and obligations under capital leases	$ 362,000	$ 483,000

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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 210.5-02.22)

-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 22

-Article 5

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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