Notes Payable to Banks and Long-Term Debt (Details) (USD $)			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 J.P. Morgan Chase Bank [Member]	Jun. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member]	Jun. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member] LIBOR [Member]	Jun. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member] Prime rate [Member]	Jun. 30, 2012 J.P. Morgan Chase Bank [Member] Term loan [Member]	Jun. 30, 2011 J.P. Morgan Chase Bank [Member] Term loan [Member]
Notes Payable:
MtronPTI revolving loan with J.P. Morgan Chase Bank, N.A. ("Chase") at the greater of Chase's prime rate or the one-month LIBOR rate plus 2.50% per annum (3.25% at September 30, 2011), due June 30, 2013.	$ 2,517,000	$ 3,026,000
Long-Term Debt:
MtronPTI term loan	231,000	400,000						536,000
Less: Current maturities	231,000	400,000
Long-Term Debt	0	0
Debt instrument, reference rate					one-month LIBOR rate	prime rate
Debt instrument, reference rate (in hundredths)					2.50%
Revolving loan, interest rate (in hundredths)				3.25%
Debt instrument, maturity due date				Jun. 30, 2013			Jan. 31, 2013
Note, percentage bearing fixed interest rate (in hundredths)							5.00%
Credit facilities provides under chase loan agreement [Abstract]
Line of credit facility amount solely for working capital				4,000,000
Line of credit facility amount solely for tangible capital expenditures				2,000,000
Term loan, amount	231,000	400,000						536,000
Term loan periodic installment							29,500
Financial covenants under chase loan agreement [Abstract]
Tangible net worth as financial covenant, minimum			$ 7,500,000
Percentage of net income as financial covenant required, minimum (in hundredths)			50.00%