Stockholders' Equity - Narrative (Details) (USD $)	0 Months Ended																		3 Months Ended	12 Months Ended					12 Months Ended	0 Months Ended				12 Months Ended
	Feb. 24, 2014	Dec. 13, 2013	Nov. 05, 2013	Sep. 14, 2013	Aug. 06, 2013	Jun. 14, 2013	May 07, 2013	Mar. 27, 2013	Mar. 06, 2013	Jan. 11, 2013	Dec. 18, 2012	Dec. 14, 2012	Jul. 20, 2012	Apr. 05, 2012	Mar. 14, 2012	Dec. 15, 2011	Nov. 09, 2011	May 19, 2011	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Blank Check Preferred Stock [Member]	Jul. 20, 2012 Series A Junior Participating Preferred Stock [Member]	Dec. 31, 2013 Restricted Stock [Member]	Oct. 02, 2013 Vice President, Marketing [Member] Restricted Stock [Member]	Sep. 14, 2013 Chief Information Officer [Member] Restricted Stock [Member]	Sep. 14, 2013 Vice President [Member] Restricted Stock [Member]	Oct. 02, 2012 Chief Financial Officer [Member] Restricted Stock [Member]	Dec. 31, 2012 Chief Executive Officer [Member] Restricted Stock [Member]
Class of Stock [Line Items]
Preferred stock, authorized shares																			1,000,000	1,000,000	1,000,000		875,000
Common Stock, Dividends, Per Share, Declared	$ 0.04		$ 0.03		$ 0.03		$ 0.03		$ 0.03		$ 0.03				$ 0.05		$ 0.05			$ 0.12	$ 0.08	$ 0.05
Dividends, Common Stock, Cash		$ 486,000		$ 486,000		$ 486,000		$ 486,000						$ 518,000		$ 518,000			$ 464,000	$ 1,944,000	$ 982,000	$ 518,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period																									10,476	2,299	2,167	2,110	3,900	86,990
Stock Issued During Period, Shares, New Issues										750,000		5,000,000
Proceeds from Issuance of Common Stock										3,591,000		23,947,000								3,591,000	23,947,000	0
Additional Shares, sold in public offering, by stockholders												300,075
Dividends													1
Common stock, par value													$ 0.0001						$ 0.0001	$ 0.0001	$ 0.0001
Preferred Stock, Par or Stated Value Per Share																			$ 0.0001	$ 0.0001	$ 0.0001			$ 0.0001
Class of Warrant or Right, Exercise Price of Warrants or Rights																								27
Treasury Stock, Shares, Acquired																		212,083
Treasury Stock Acquired, Stated Cost Per Share																		$ 2.00
Treasury Stock, Value																		$ 431,000			$ 23,947,000	$ 431,000
Treasury Stock Acquired, Average Cost Per Share																		$ 2.03