Notes Payable to Bank and Long-Term Debt (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
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.	$ 1,249,000	$ 3,026,000
Long-Term Debt:
MtronPTI term loan	58,000	400,000
Less: Current maturities	58,000	400,000
Long-Term Debt	0	0
Debt instrument, reference rate	one-month LIBOR rate
Credit facilities provides under chase loan agreement [Abstract]
Line of credit facility amount solely for working capital	1,500,000
Line of credit facility amount solely for tangible capital expenditures	2,000,000
Term loan, amount	58,000	400,000
Term loan periodic installment	29,500
Financial covenants under chase loan agreement [Abstract]
Tangible net worth as financial covenant, minimum	$ 8,000,000
Revolving loan [Member]
Long-Term Debt:
Debt instrument, reference rate (in hundredths)	2.50%
Revolving loan, interest rate (in hundredths)	3.25%
Debt instrument, maturity due date	Jun. 30, 2013
Term loan [Member]
Long-Term Debt:
Debt instrument, maturity due date	Jan. 31, 2013
Note, percentage bearing fixed interest rate (in hundredths)	5.00%