Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Apr. 30, 2014	Dec. 31, 2003	Dec. 05, 2008
Schedule of Capitalization, Equity [Line Items]
Share Price			$ 1.50
Aggregate value	$ 5
Expenses for issuance of stock		11
Dividend rate	5.00%
Future dividend rate	9.00%
Warrants issued	67,314
Warrant, value	1,100
Proceeds from the stock offering			3,000
Deferred dividends totaling		801
Increase in common stockholders equity		4,960
Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Expenses for issuance of stock				149
Liquidation preference					$ 1
McDonald Partners, LLC [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Expenses for issuance of stock				482
Series B Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Issuance of Preferred stock	480,000	0
Warrants issued	2.00
Warrant, value	700
Warrant, shares	28,000
Series B Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Issuance of Preferred stock				480,000
Preferred stock rate				6.25%
Share Price				$ 25.00
Aggregate value				12
Proceeds from the stock offering				11,369
Series A Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Issuance of Preferred stock						7,225
Aggregate value						7,225
Liquidation preference						$ 1,000
Common Stock
Schedule of Capitalization, Equity [Line Items]
Warrants issued	3.25
Warrant, value	$ 700
Warrant, shares	28,000