Stock-Based Compensation; Changes in Equity (Details 1) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Shares, Balance (in shares)	218,500
Shares under Warrant, Granted (in shares)	0
Shares, Outstanding (in shares)	218,500	218,500
Shares Exercisable	71,468
Weighted Average Exercise Price, Balance (in dollars per share)	$ 5.21
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 5.21	$ 5.21
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 4.45
Weighted Average Contractual Life, Outstanding	3 years 6 months	3 years 6 months
Weighted Average Contractual Life, Exercisable	3 years 1 month 6 days
Aggregate Intrinsic Value Outstanding (in dollars)	$ 63,130
Aggregate Intrinsic Value Outstanding (in dollars)	63,130	63,130
Aggregate Intrinsic Value, Exercisable (in dollars)	63,130
Warrant [Member]
Shares, Balance (in shares)	140,048
Shares under Warrant, Granted (in shares)	0
Shares under Warrant, Cancelled (in shares)	0
Shares under Warrant, Exercised (in shares)	0
Shares, Outstanding (in shares)	140,048	140,048
Shares Exercisable	0
Weighted Average Exercise Price, Balance (in dollars per share)	$ 0.01
Weighted Average Exercise Price, Granted (in dollars per share)	$ 0
Weighted Average Exercise Price, Cancelled (in dollars per share)	$ 0
Weighted Average Exercise Price, Exercised (in dollars per share)	$ 0
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 0.01	$ 0.01
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 0
Weighted Average Contractual Life, Outstanding	9 years	9 years 6 months
Weighted Average Contractual Life, Exercisable	0 years
Aggregate Intrinsic Value Outstanding (in dollars)	721,247
Aggregate Intrinsic Value Outstanding (in dollars)	701,640	721,247
Aggregate Intrinsic Value, Exercisable (in dollars)	$ 0