Notes Payable to Bank and Long-Term Debt (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 Term	Dec. 31, 2013
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 September 30, 2013), which is due and payable monthly.	$ 1,395,000	$ 1,181,000
Debt instrument, reference rate (in hundredths)	2.50%
Revolving loan, interest rate (in hundredths)	3.25%
Debt instrument, maturity due date	Sep. 30, 2014
Credit facilities provides under chase loan agreement [Abstract]
Line of credit facility amount soley for working capital	1,500,000
Avaialable borrowing capacity	319,000
Number of 12 month renewal terms	3
Collateral deposit	1,500,000
Renewal extension	Sep. 30, 2014
Outstanding under the revolving loan agreement	0
MtronPTI tangible net worth	3,992,000
Financial covenants under chase loan agreement [Abstract]
Tangible net worth as financial covenant, minimum	$ 6,000,000
Debt instrument, reference rate	one-month LIBOR rate