Compensation Plans (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Summary of stock option activity under the Company's various stock option plans
Outstanding Shares, Beginning	276,854
Shares, Granted	152,808
Shares, Exercised
Shares, Cancelled/expired	(5,111)
Outstanding Shares, Closing	424,551	276,854
Shares, Exercisable	265,751
Weighted-Average Exercise Price, Outstanding, Beginning	$ 11.19
Weighted-Average Exercise Price, Granted	$ 2.32
Weighted-Average Exercise Price, Cancelled/expired	$ 12.07
Weighted-Average Exercise Price, Outstanding, Ending	$ 7.99	$ 11.19
Weighted-Average Exercise Price, Exercisable	$ 11.32
Weighted-Average Remaining Contractual Term (in years), Outstanding, Beginning	3 years 4 months 24 days	2 years 8 months 12 days
Weighted-Average Remaining Contractual Term (in years), Outstanding, Ending	3 years 4 months 24 days	2 years 8 months 12 days
Weighted-Average Remaining Contractual Term (in years), Exercisable	2 years 4 months 24 days
Aggregated Intrinsic Value, Outstanding
Aggregate Intrinsic Value, Exercisable