Stock-Based Compensation (Details) (USD $)	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
2008 Equity Incentive Plan [Member] | Director [Member]
Summary of nonvested stock awards granted
Vesting Period	1 year
2008 Equity Incentive Plan [Member] | Director group 1 [Member]
Summary of nonvested stock awards granted
Grantee Type, options	Director		Director group
No. of Options Granted (shares)	2,849		0
Vesting Period	1 year or less		1 year or less
Weighted Average Exercise Price	$ 4.07		$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0.97		$ 0.00
2008 Equity Incentive Plan [Member] | Director group 2 [Member]
Summary of nonvested stock awards granted
Grantee Type, options	Director		Director group
No. of Options Granted (shares)	8,546		0
Vesting Period	3 years		3 years
Weighted Average Exercise Price	$ 4.07		$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.46		$ 0.00
2008 Equity Incentive Plan [Member] | Employees [Member]
Summary of nonvested stock awards granted
Grantee Type, options			Employee group
No. of Options Granted (shares)			0
Vesting Period	3 years		3 years
Weighted Average Exercise Price			$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 0.00
Restricted Stock and Restricted Stock Units [Member] | Director group 1 [Member]
Summary of nonvested stock awards granted
Vesting Period	1 year
Restricted Stock and Restricted Stock Units [Member] | Employees [Member]
Summary of nonvested stock awards granted
Vesting Period	3 years
Restricted Stock and Restricted Stock Units [Member] | 2008 Equity Incentive Plan [Member] | Director [Member]
Summary of nonvested stock awards granted
Vesting Period	1 year
Restricted Stock and Restricted Stock Units [Member] | 2008 Equity Incentive Plan [Member] | Director group 1 [Member]
Summary of nonvested stock awards granted
Grantee Type, nonvested stock awards	Director		Director group
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	2,849		0
Vesting Period	1 year or less		1 year or less
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.07		$ 0.00
Restricted Stock and Restricted Stock Units [Member] | 2008 Equity Incentive Plan [Member] | Director group 2 [Member]
Summary of nonvested stock awards granted
Grantee Type, nonvested stock awards	Director		Director group
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	8,546		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.07		$ 0.00
Vesting Period	3 years		3 years
Restricted Stock and Restricted Stock Units [Member] | 2008 Equity Incentive Plan [Member] | Employees [Member]
Summary of nonvested stock awards granted
Grantee Type, nonvested stock awards	Employee group (1)	[1]	Employee group
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,325,000	[1]	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.00	[1]	$ 0.00
Vesting Period	2 years	[1]	2 years
Restricted Stock and Restricted Stock Units [Member] | Inducement Award [Member] | Employee inducements [Member]
Summary of nonvested stock awards granted
Grantee Type, nonvested stock awards	Employee inducements (2)	[2]	Employee inducement
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	10,000	[2]	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 5.29	[2]	$ 0.00
Vesting Period	3 years	[2]	3 years
Employee Stock Option [Member] | 2008 Equity Incentive Plan [Member] | Director [Member]
Summary of nonvested stock awards granted
Vesting Period	1 year
Employee Stock Option [Member] | 2008 Equity Incentive Plan [Member] | Employees [Member]
Summary of nonvested stock awards granted
Vesting Period	3 years
Employee Stock Option [Member] | Inducement Award [Member] | Employee inducements [Member]
Summary of nonvested stock awards granted
Grantee Type, nonvested stock awards	Employee inducements (1)	[3]	Employee inducement
No. of Options Granted (shares)	75,000	[3]	0
Vesting Period	3 years	[3]	3 years
Weighted Average Exercise Price	$ 5.81	[3]	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.45	[3]	$ 0.00

[1] (1)The Company granted nonvested performance-based stock awards (restricted stock units) in the first quarter of 2015 to eight executive officers.

[2] (2)The Company granted nonvested stock awards (restricted stock) outside its existing stock-based compensation plans in the first quarter of 2015 to two employees in connection with the employees joining the Company.

[3] (1)The Company granted non-qualified stock options outside its existing stock-based compensation plans in the first quarter of 2015 to two employees in connection with the employees joining the Company.