Per Share Amounts (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Weighted Average Number of Shares Outstanding, Basic	4,606,000	4,605,000	4,610,000	4,598,000
Weighted Average Number of Shares Outstanding, Diluted	4,630,000	4,621,000	4,635,000	4,618,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	310,000	176,000	310,000	176,000