Equity And Stock-Based Compensation (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Equity And Stock-Based Compensation [Line Items]
Stocks granted			90,000
Compensation expense			$ 44,000
Grant date fair value of options vesting	27,000	47,000	197,000	142,000
Recognition period of unrecognized compensation cost			2 years 5 months 9 days
Unrecognized estimated compensation cost related to non-vested stock options granted	132,000		132,000
Options exercised			95,000
Realized value of option exercised			136,000
Cash received from exercise of stock options			308,000
Percentage of option currently exercisable			100.00%
Intrinsic unrealized value of all options outstanding, vested and expected to vest	477,000		477,000
Expiration period for stock options			10 years
Common Stock authorized for issuance under 2010 Stock Incentive Plan	1,250,000		1,250,000
Weighted average remaining contractual life of all options outstanding, vested, and expected to vest			4 years 10 months 10 days		4 years 1 month 17 days
Weighted average remaining contractual life of the exercisable options outstanding			4 years 6 months		3 years 10 months 6 days
Executive Officer [Member]
Equity And Stock-Based Compensation [Line Items]
Compensation expense	238,000	188,000	714,000	563,000
Class A [Member]
Equity And Stock-Based Compensation [Line Items]
Stocks granted			9,680
Compensation expense			44,000
Options exercised			136,000
Class A [Member] | Executive Officer [Member]
Equity And Stock-Based Compensation [Line Items]
Stocks granted			155,925	174,825
Class B [Member]
Equity And Stock-Based Compensation [Line Items]
Options exercised
Incremental Shares Issued [Member]
Equity And Stock-Based Compensation [Line Items]
Options exercised			41,000
Realized value of option exercised			$ 103,000
In the money shares exercise of options, net			15,822
Exercise price per share of in-the-money shares			$ 4.01
Market price per share price of in-the-money shares			$ 6.53
Minimum [Member]
Equity And Stock-Based Compensation [Line Items]
Vesting period of stock options			0 years
Maximum [Member]
Equity And Stock-Based Compensation [Line Items]
Vesting period of stock options			4 years