Long-Term Debt (Details Textual) - USD ($)			12 Months Ended
	Dec. 01, 2011	Oct. 31, 2011	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Jan. 01, 2016	Dec. 31, 2015	Jul. 01, 2015	Jun. 26, 2015	Sep. 30, 2011
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 40,000,000	$ 15,000,000							$ 30,000,000
Percentage of stock of non-U.S. subsidiaries pledged		65.00%
Amortization of debt issuance cost			$ 37,000	$ 0	$ 0
Debt instrument maturity year			Nov. 30, 2013
Total long-term debt			$ 43,813,000
Current maturities of long-term debt			10,503,000	2,000,000
CBlade S.p.A. Forging & Manufacturing
Line Of Credit Facility [Line Items]
Long-term line of credit, noncurrent								$ 2,027,000
Deferred interest benefit			84,000
Deferred interest benefit non-current			25,000
Fair Value, Inputs, Level 2
Line Of Credit Facility [Line Items]
Short-term debt							$ 1,987,000
Debt instrument, collateral amount							3,607,000
Term loan
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 10,000,000
Issued amount of debt			18,980,000	4,000,000					$ 20,000,000
Quarterly installments payment	$ 500,000
Period of credit agreement		5 years
Quarterly installments payment starting date		Dec. 01, 2011
Debt Issuance cost net of amortization			306,000
Amortization of debt issuance cost			$ 17,000
Debt instrument, term			5 years
Term loan | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate			3.10%
Revolving credit agreement
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 30,000,000							$ 25,000,000
Percentage of stock of non-U.S. subsidiaries pledged			65.00%
Quarterly installments payment			$ 714,000
Period of credit agreement		5 years
Debt Issuance cost net of amortization			381,000
Amortization of debt issuance cost			20,000
Total long-term debt			$ 16,500,000	6,429,000
Debt instrument, term			5 years
Revolving credit agreement | Scenario, Forecast
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity						$ 20,000,000
Revolving credit agreement | Minimum
Line Of Credit Facility [Line Items]
Commitment fee			0.15%
Revolving credit agreement | Maximum
Line Of Credit Facility [Line Items]
Commitment fee			0.35%
Revolving credit agreement | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate			3.20%
Revolving credit agreement | Term loan
Line Of Credit Facility [Line Items]
Debt Issuance cost net of amortization			$ 724,000
Foreign subsidiary borrowings
Line Of Credit Facility [Line Items]
Total long-term debt			$ 13,197,000	$ 0
Current maturities of long-term debt							2,333,000
Foreign subsidiary borrowings | Short-term Debt
Line Of Credit Facility [Line Items]
Total long-term debt							777,000
Foreign subsidiary borrowings | Euro Interbank Offered Rate (Euribor)
Line Of Credit Facility [Line Items]
Total long-term debt							$ 8,027,000
Foreign subsidiary borrowings | Euro Interbank Offered Rate (Euribor) | Minimum
Line Of Credit Facility [Line Items]
Variable interest rate of term loan							1.00%
Foreign subsidiary borrowings | Euro Interbank Offered Rate (Euribor) | Maximum
Line Of Credit Facility [Line Items]
Variable interest rate of term loan							4.00%
Foreign subsidiary borrowings | Unsecured Debt
Line Of Credit Facility [Line Items]
Total long-term debt							$ 4,393,000
Foreign subsidiary borrowings | Unsecured Debt and Short Term Borrowing
Line Of Credit Facility [Line Items]
Total long-term debt							$ 5,170,000