Equity And Stock-Based Compensation (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Equity And Stock-Based Compensation [Line Items]
Grant date fair value of options vesting	$ 34,000	$ 57,000
Unrecognized estimated compensation cost related to non-vested stock options granted	432,000
Recognition period of unrecognized compensation cost	2 years 1 month 24 days
Realized value of option exercised	500
Intrinsic unrealized value of all options outstanding, vested and expected to vest	940,000
Percentage of option currently exercisable	68.90%
Expiration period for stock options	10 years
Common Stock authorized for issuance under 2010 Stock Incentive Plan	1,250,000
Executive Employees [Member]
Equity And Stock-Based Compensation [Line Items]
Compensation expense	$ 187,500	$ 188,000
Class A Nonvoting Common Stock [Member] | Executive Employees [Member]
Equity And Stock-Based Compensation [Line Items]
Stocks granted	125,209	217,890
Class A [Member]
Equity And Stock-Based Compensation [Line Items]
Options granted	20,000	20,000	175,000
Options exercised	500		137,500
Class B [Member]
Equity And Stock-Based Compensation [Line Items]
Options granted
Minimum [Member]
Equity And Stock-Based Compensation [Line Items]
Vesting period of stock options	0 years
Weighted average remaining contractual life of all options outstanding, vested, and expected to vest	4 years 5 months 16 days
Weighted average remaining contractual life of the exercisable options outstanding	3 years 5 months 1 day
Maximum [Member]
Equity And Stock-Based Compensation [Line Items]
Vesting period of stock options	4 years
Weighted average remaining contractual life of all options outstanding, vested, and expected to vest	4 years 8 months 12 days
Weighted average remaining contractual life of the exercisable options outstanding	3 years 7 months 17 days