Notes Payable to Bank and Long-Term Debt (Details) (USD $)						9 Months Ended		9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011		Sep. 30, 2012 Revolving loan [Member] LIBOR [Member]	Dec. 31, 2011 Revolving loan [Member] LIBOR [Member]	Sep. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member]	Jun. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member]	Sep. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member] LIBOR [Member]	Sep. 30, 2012 J.P. Morgan Chase Bank [Member] Revolving loan [Member] Prime rate [Member]	Sep. 30, 2012 J.P. Morgan Chase Bank [Member] Term loan [Member]	Dec. 31, 2011 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.	$ 1,450,000	$ 3,026,000	[1]	$ 1,450,000	$ 3,026,000
Long-Term Debt:
MtronPTI term loan										145,000	400,000	536,000
Less: Current maturities	145,000	400,000	[1]							145,000	400,000
Long-Term Debt	0	0	[1]
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						1,500,000
Line of credit facility amount solely for tangible capital expenditures							2,000,000
Term loan, amount										145,000	400,000	536,000
Term loan periodic installment										29,500
Financial covenants under chase loan agreement [Abstract]
Tangible net worth as financial covenant, minimum	$ 8,000,000

[1] The Condensed Consolidated Balance Sheet as of December 31, 2011, has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.