|
Stockholders' Equity and Stock Based Compensation (Details)
|
12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2014
2006 Plan
|
Dec. 31, 2013
2006 Plan
Restricted stock
installment
|
Dec. 31, 2012
2006 Plan
Restricted stock
installment
|
Dec. 31, 2011
2006 Plan
Restricted stock
installment
|
Dec. 31, 2010
2006 Plan
Restricted stock
installment
|
Dec. 31, 2009
2006 Plan
Restricted stock
installment
|
Dec. 31, 2008
2006 Plan
Restricted stock
installment
|
Dec. 31, 2007
2006 Plan
Restricted stock
installment
|
Dec. 31, 2006
2006 Plan
Restricted stock
installment
|
Dec. 31, 2006
2006 Plan
Restricted stock
CEO
installment
|
Mar. 31, 2014
2012 Plan
|
Mar. 31, 2014
2006 Plan and 2012 Plan
Restricted stock
|
Mar. 31, 2014
2006 Plan and 2012 Plan
Restricted stock
Minimum
installment
|
Mar. 31, 2014
2006 Plan and 2012 Plan
Restricted stock
Maximum
installment
|
Dec. 31, 2013
2006 Plan and 2012 Plan
Restricted stock
CEO
installment
|
|
| Stock-based compensation | |||||||||||||||
| Number of shares of common stock initially available for award | 800,000 | 600,000 | |||||||||||||
| Options reserved for future issuance (in shares) | 0 | 557,636 | |||||||||||||
| Granted (in shares) | 56,500 | 92,000 | 15,000 | 150,500 | 140,000 | 57,500 | 30,000 | 315,000 | 200,000 | 45,689 | 40,000 | ||||
| Number of equal quarterly installments for vesting of awards | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 40 | 8 | 20 | 16 | |||
| Forfeited (in shares) | 775 | 3,525 | 8,375 | 5,875 | 3,500 | 12,500 | 25,275 | ||||||||