Summary of Significant Accounting Policies (Stock-Based Compensation) (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Shares of common stock available for grant (in shares)	1,500,000
Vested shares (in shares)	127,287	61,000
Outstanding options (in shares)	1,199,780
Intrinsic value of outstanding shares	$ 562,985
Exercisable (vested) options	306,217
Instrinsic value of exerciseable shares	52,294
Forfeitures and expirations, weighted average grant date fair value	$ 289,760
Forfeited shares (in shares)	84,000
Minimum [Member]
Vesting period	1 year
Vesting period used in stock option valuation	3 years
Maximum [Member]
Vesting period	5 years
Vesting period used in stock option valuation	4 years
Maximum Term [Member]
Vesting period	10 years
Vesting period used in stock option valuation	10 years