CREDIT FACILITIES (Details Textual) (USD $)	9 Months Ended				3 Months Ended	9 Months Ended				1 Months Ended		9 Months Ended	1 Months Ended					1 Months Ended		9 Months Ended		1 Months Ended		1 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended			9 Months Ended				9 Months Ended			3 Months Ended	9 Months Ended			1 Months Ended			1 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Sep. 30, 2013	Jan. 18, 2013	Jun. 27, 2014 Amendment 2014 [Member]	Jun. 27, 2014 Amendment 2014 [Member]	Jun. 28, 2013 Second Amendment [Member]	Jun. 27, 2014 Term Loan A [Member]	Jun. 27, 2014 Term Loan A [Member] Amendment 2014 [Member]	Jan. 31, 2013 Term Loan A [Member] Credit Agreement 2013 [Member]	Jan. 18, 2013 Term Loan A [Member] Credit Agreement 2013 [Member]	Jun. 27, 2014 Term Loan B [Member]	Jan. 31, 2013 Term Loan B [Member] Credit Agreement 2013 [Member]	Jan. 18, 2013 Term Loan B [Member] Credit Agreement 2013 [Member]	Jun. 27, 2014 Term Loan B [Member] Amendment 2014 [Member]	Jun. 27, 2014 Albuquerque [Member]	Jun. 27, 2014 Albuquerque [Member] Amendment 2014 [Member]	Dec. 31, 2010 Scb Term Loan [Member] Credit Agreement 2010 [Member]	Dec. 17, 2010 Scb Term Loan [Member] Credit Agreement 2010 [Member]	Jun. 27, 2014 Albuquerque Mortgage Loan [Member]	Jun. 27, 2014 Albuquerque Mortgage Loan [Member] Amendment 2014 [Member]	Dec. 31, 2009 Albuquerque Mortgage Loan [Member] Credit Agreement 2013 [Member]	Dec. 16, 2009 Albuquerque Mortgage Loan [Member] Credit Agreement 2013 [Member]	Dec. 31, 2009 Albuquerque Mortgage Loan [Member] Credit Agreement 2010 [Member]	Dec. 16, 2009 Albuquerque Mortgage Loan [Member] Credit Agreement 2010 [Member]	Dec. 17, 2013 Equipment Line Of Credit [Member] Credit Agreement 2010 [Member]	Apr. 30, 2008 Energy loan [Member] Credit Agreement 2013 [Member]	Apr. 02, 2008 Energy loan [Member] Credit Agreement 2013 [Member]	Apr. 30, 2008 Energy loan [Member] Credit Agreement 2010 [Member]	Apr. 02, 2008 Energy loan [Member] Credit Agreement 2010 [Member]	May 31, 2008 Seller Notes [Member]	Oct. 01, 2011 Seller Notes [Member] Minimum [Member]	Oct. 01, 2011 Seller Notes [Member] Maximum [Member]	Jun. 27, 2014 Revolving Credit Facility [Member]		Sep. 30, 2013 Revolving Credit Facility [Member]		Jun. 27, 2014 Revolving Credit Facility [Member] Credit Agreement 2013 [Member]	Jun. 28, 2013 Revolving Credit Facility [Member] Credit Agreement 2013 [Member]	Jun. 27, 2014 Revolving Credit Facility [Member] Credit Agreement 2010 [Member]	Jun. 27, 2014 Revolving Credit Facility [Member] Amendment 2014 [Member]	Jun. 27, 2014 Revolving Credit Facility [Member] Minimum [Member]	Jun. 27, 2014 Revolving Credit Facility [Member] Maximum [Member]	Jun. 27, 2014 Revolving Credit Facility [Member] Term Loan B [Member]	Dec. 31, 2009 Albuquerque Term Loan [Member] Credit Agreement 2010 [Member]	Dec. 16, 2009 Albuquerque Term Loan [Member] Credit Agreement 2010 [Member]	Nov. 08, 2013 Celmet Term Loan [Member] Third Amendment [Member]	Jul. 31, 2010 Celmet Term Loan [Member] Credit Agreement 2010 [Member]	Jul. 30, 2010 Celmet Term Loan [Member] Credit Agreement 2010 [Member]
Maximum borrowing capacity	$ 20,000,000
Maturity date								Feb. 01, 2022				Feb. 01, 2023																						Jan. 18, 2016
Current borrowing capacity																																		20,000,000.0
Average borrowing capacity	10,800,000	13,700,000																								1,500,000												20,000,000
Unused capacity, commitment fee percentage																																									0.50%	0.125%	0.50%
Commitment fee amount																																						40,500	23,000
Long-term line of credit											10,000,000			14,000,000					20,000,000				4,000,000		4,000,000			200,000		200,000																5,000,000			2,000,000
Repayment monthly installments										108 monthly installments			120 monthly installments					60 equal monthly installments.				monthly installments		60 monthly installments			60 equal monthly installments		60 equal monthly installments																60 equal monthly installments.			60 equal monthly installments.
Line of credit facility, periodic payment, principal										93,000			117,000
Debt instrument, periodic payment, principal								93,000				117,000								22,000		22,000		22,000,000
Percentage bearing fixed interest, percentage rate								3.98%				2.50%																2.08%		2.08%
Face amount								10,000,000				14,000,000																																			1,300,000
Maximum legal and accounting fees associated with the restatement	1,100,000
Net earnings before interest,taxes, depreciation and amortization					1,250,000	1,500,000
Increase in effective rate of loans		0.75%
Increase in unused commitment fee		0.375%
Increase in interest rate							0.25%					4.57%
Interest rate, stated percentage									3.25%								4.50%				4.50%											3.00%	4.00%	4.44%	[1]	3.19%	[1]				4.25%
Debt Instrument, Unused Commitment Fee, Percentage									0.50%
Amount outstanding	3,700,000																																											8,900,000
Extended maturity date																				December 16, 2014 to February 1, 2018														December 17, 2013 to January 18, 2016
Description of variable rate basis																				Modification of the interest rate applicable to the Albuquerque Mortgage Loan from (i) a range on the applicable quarterly adjustment date of 2.50% to 3.75% above Libor based upon the Company’s then Debt to EBITDARS Ratio (ranging from 1.75:1.00 or less to 3.25:1.00 or greater), to (ii) a range on the applicable quarterly adjustment date of 2.00% to 3.25% above Libor based upon the Company’s then Debt to EBITDARS Ratio (ranging from 0.75:1.00 or less to 2.75:1.00 or greater).														a range on the applicable quarterly adjustment date of 2.25% to 3.50% above Libor based upon the Company’s then Debt to EBITDARS Ratio (ranging from 1.75:1.00 or less to 3.25:1.00 or greater), to (ii) a range on the applicable quarterly adjustment date of 1.75% to 3.00% above Libor based upon the Company’s then Debt to EBITDARS Ratio (ranging from 0.75:1.00 or less to 2.75:1.00 or greater). The Second 2013 Amendment modified the interest rate to a range on the applicable quarterly adjustment date of 2.00% to 3.50% above Libor based upon the Company’s then Debt to EBITDARS Ratio (ranging from 1.25:1.00 or less to 3.25:1.00 or greater)
Basis spread on variable rate				1.32%								2.50%																														2.25%	3.75%
Revolving credit facility description																																								the maximum available principal amount of the lesser of $20.0 million or the amount available under the borrowing base (the formula for which, and interest rate surcharge applicable to optional over-base advances, remains unchanged)
Description of variable rate, unused fee																																		a range on the applicable quarterly adjustment date of 0.125% to 0.500% based upon the Company’s then ratio of Debt to EBITDARS (ranging from 1.75:1.00 or less to 3.25:1.00 or greater), to (ii) a range on the applicable quarterly adjustment date of 0.125% to 0.500% based upon the Company’s then ratio of Debt to EBITDARS (ranging from 0.75:1.00 or less to 2.75:1.00 or greater). The Second 2013 Amendment modified the unused fee to a range on the applicable quarterly adjustment date of 0.250% to 0.500% based upon the Company’s then Debt to EBITDARS Ratio (ranging from 1.25:1.00 or less to 3.25:1.00 or greater).
Dividends and stock repurchases, maximum limit																																		3,500,000
Notional amount				14,000,000
Interest rate, effective percentage												3.82%			3.25%
Borrowing capacity, description																																		Up to $20.0 million was available through December 17, 2013. The Company could borrow up to the lesser of (i) 85% of eligible receivables plus 35% of eligible inventories or (ii) $20.0 million. At IEC's election, another 35% of eligible inventories would be included in the borrowing base for limited periods of time during which a higher rate of interest would be charged on the Revolver. Borrowings based on inventory balances were further limited to a cap of $3.75 million, or when subject to the higher percentage limit, $4.75 million.
Notes payable																															3,800,000
Debt instrument, periodic payment																															160,000
Liabilities assumed																100,000
Long-term debt	$ 34,486,000		$ 36,804,000																															$ 9,803,000		$ 11,261,000

[1] Rates noted above are before impact of interest rate swap.