Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (Unaudited) (Details)

v2.4.1.9
Quarterly Financial Information (Unaudited) (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]                      
Revenue $ 17,533,000us-gaap_SalesRevenueNet $ 17,445,000us-gaap_SalesRevenueNet $ 17,146,000us-gaap_SalesRevenueNet $ 16,921,000us-gaap_SalesRevenueNet $ 16,914,000us-gaap_SalesRevenueNet $ 17,627,000us-gaap_SalesRevenueNet $ 18,821,000us-gaap_SalesRevenueNet $ 24,001,000us-gaap_SalesRevenueNet $ 69,045,000us-gaap_SalesRevenueNet $ 77,363,000us-gaap_SalesRevenueNet $ 83,098,000us-gaap_SalesRevenueNet
Operating Income (Loss) (36,404,000)us-gaap_OperatingIncomeLoss 6,364,000us-gaap_OperatingIncomeLoss (8,398,000)us-gaap_OperatingIncomeLoss (4,536,000)us-gaap_OperatingIncomeLoss 1,776,000us-gaap_OperatingIncomeLoss (2,480,000)us-gaap_OperatingIncomeLoss (1,919,000)us-gaap_OperatingIncomeLoss 2,535,000us-gaap_OperatingIncomeLoss (42,974,000)us-gaap_OperatingIncomeLoss (88,000)us-gaap_OperatingIncomeLoss 7,879,000us-gaap_OperatingIncomeLoss
Net Income (Loss) Available to Common Stockholders, Basic $ (46,804,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (31,990,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 1,904,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (57,715,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (8,849.00)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (52,020.00)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 8,025.00us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 11,116.00us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (134,605,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (41,728,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 44,196,000us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Earnings Per Share, Basic $ (0.53)us-gaap_EarningsPerShareBasic $ (0.36)us-gaap_EarningsPerShareBasic $ 0.02us-gaap_EarningsPerShareBasic $ (0.65)us-gaap_EarningsPerShareBasic $ (0.10)us-gaap_EarningsPerShareBasic $ (0.59)us-gaap_EarningsPerShareBasic $ 0.09us-gaap_EarningsPerShareBasic $ 0.13us-gaap_EarningsPerShareBasic      
Earnings Per Share, Diluted $ (0.53)us-gaap_EarningsPerShareDiluted $ (0.36)us-gaap_EarningsPerShareDiluted $ 0.02us-gaap_EarningsPerShareDiluted $ (0.65)us-gaap_EarningsPerShareDiluted $ (0.10)us-gaap_EarningsPerShareDiluted $ (0.59)us-gaap_EarningsPerShareDiluted $ 0.09us-gaap_EarningsPerShareDiluted $ 0.13us-gaap_EarningsPerShareDiluted