Notes Payable to Bank and Long-Term Debt (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Term	Dec. 31, 2012
Notes Payable:
MtronPTI revolving loan with J.P. Morgan Chase Bank, N.A. ("Chase") due June 30, 2014. The loan bears interest at the greater of Chase's prime rate or the one-month LIBOR rate plus 2.50% per annum (3.25% at December 31, 2013), which is due and payable annually.	$ 1,181,000	$ 1,249,000
Long-Term Debt:
MtronPTI term loan with Chase paid February 7, 2013.	0	58,000
Less: Current maturities	0	58,000
Long-Term Debt	0	0
Revolving loan [Member]
Long-Term Debt:
Debt instrument, reference rate	one-month LIBOR rate
Debt instrument, reference rate (in hundredths)	2.50%
Revolving loan, interest rate (in hundredths)	3.25%
Debt instrument, maturity due date	Jun. 30, 2014	Jun. 30, 2013
Credit facilities provides under chase loan agreement [Abstract]
Line of credit facility amount solely for working capital	1,500,000
Available borrowing capacity	319,000
Number of 12 month renewal terms	3
Financial covenants under chase loan agreement [Abstract]
Tangible net worth as financial covenant, minimum	6,000,000
Actual tangible net worth value	5,142,000
Collateral deposit	$ 1,500,000