Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands	Total	Common Stock [Member]	Class C Special Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2012	$ (42,715)	$ 0	$ 0	$ 1,083	$ 0	$ (43,798)
Balance (in shares) at Dec. 31, 2012		4,070			0
Preferred Stock Dividends	(4,975)	0	0	0	0	(4,975)
Non-cash Compensation Relating to Business Combination	4,418	0	0	4,418	0	0
Cancellation of Convertible Preferred Stock	53,726	0	0	53,726	0	0
Shares Issued in Merger	29,795	1	0	29,794	0	0
Shares Issued in Merger (in shares)		5,469			0
Stock-based Compensation Expense	36	0	0	36	0	0
Purchase of Common Stock for Treasury	(433)	0	0	0	(433)	0
Purchase of Common Stock for Treasury (in shares)		0			59
Issuance of Common Stock upon Warrant Exercise	809	0	0	809	0	0
Issuance of Common Stock upon Warrant Exercise (in shares)		90
Issuance of Common Stock upon Stock Option Exercise (in shares)	0
Treasury Stock Shares Issued as Restricted Stock	0	0	0	(365)	365	0
Treasury Stock Shares Issued as Restricted Stock (in shares)		0			(50)
Net Income	301	0	0	0	0	301
Balance at Dec. 31, 2013	40,962	1	0	89,501	(68)	(48,472)
Balance (in sharess) at Dec. 31, 2013		9,629			9
Stock-based Compensation Expense	3,423	0	0	3,423	0	0
Issuance of Common Stock in Equity Offering	46,680	0	0	46,680	0	0
Issuance of Common Stock in Equity Offering (in shares)		1,613			0
Allocation of proceeds from sale of Convertible Notes to Embedded Conversion Option	20,195	0	0	20,195	0	0
Cost of Bond-hedge, Net of Proceeds from Sale of Warrant	(2,575)	0	0	(2,575)	0	0
Issuance of Common Stock upon Warrant Exercise	750	0	0	750	0	0
Issuance of Common Stock upon Warrant Exercise (in shares)		83			0
Issuance of Common Stock upon Stock Option Exercise	819	0	0	819	0	0
Issuance of Common Stock upon Stock Option Exercise (in shares)	43	43			0
Issuance of Common Stock as Restricted Stock	0	0	0	0	0	0
Issuance of Common Stock as Restricted Stock (in shares)		20			0
Treasury Stock Shares Issued as Restricted Stock	0	0	0	(68)	68	0
Treasury Stock Shares Issued as Restricted Stock (in shares)		0			(9)
Excess tax benefit from share-based compensation awards	784	0	0	784	0	0
Net Income	28,747	0	0	0	0	28,747
Balance at Dec. 31, 2014	$ 139,785	$ 1	$ 0	$ 159,509	$ 0	$ (19,725)
Balance (in sharess) at Dec. 31, 2014		11,388			0