Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Data (Unaudited) (Details)

v2.4.1.9
Selected Quarterly Financial Data (Unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
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
Summary of quarterly financial data                      
Total revenues $ 25,533us-gaap_SalesRevenueNet $ 19,773us-gaap_SalesRevenueNet $ 23,545us-gaap_SalesRevenueNet $ 22,274us-gaap_SalesRevenueNet $ 20,692us-gaap_SalesRevenueNet $ 20,641us-gaap_SalesRevenueNet $ 23,821us-gaap_SalesRevenueNet $ 31,376us-gaap_SalesRevenueNet $ 91,125us-gaap_SalesRevenueNet $ 96,530us-gaap_SalesRevenueNet $ 47,044us-gaap_SalesRevenueNet
Total costs and expenses 57,987us-gaap_OperatingExpenses 67,974us-gaap_OperatingExpenses 58,429us-gaap_OperatingExpenses 52,550us-gaap_OperatingExpenses 56,558us-gaap_OperatingExpenses 39,650us-gaap_OperatingExpenses 41,805us-gaap_OperatingExpenses 38,149us-gaap_OperatingExpenses 236,940us-gaap_OperatingExpenses 176,162us-gaap_OperatingExpenses 84,313us-gaap_OperatingExpenses
Net loss (53,461)us-gaap_ProfitLoss (50,014)us-gaap_ProfitLoss (26,075)us-gaap_ProfitLoss (45,088)us-gaap_ProfitLoss (17,429)us-gaap_ProfitLoss (60,801)us-gaap_ProfitLoss (4,353)us-gaap_ProfitLoss (34,763)us-gaap_ProfitLoss (174,638)us-gaap_ProfitLoss (117,346)us-gaap_ProfitLoss (29,540)us-gaap_ProfitLoss
Net (loss) income attributable to common shareholders $ (52,971)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (48,669)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (25,478)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (44,548)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (16,800)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (59,998)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (3,394)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (34,635)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (171,666)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (114,827)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (31,288)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
(Loss) income per share, basic and diluted: $ (0.12)us-gaap_EarningsPerShareBasicAndDiluted $ (0.11)us-gaap_EarningsPerShareBasicAndDiluted $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted $ (0.11)us-gaap_EarningsPerShareBasicAndDiluted $ (0.04)us-gaap_EarningsPerShareBasicAndDiluted $ (0.17)us-gaap_EarningsPerShareBasicAndDiluted $ (0.01)us-gaap_EarningsPerShareBasicAndDiluted $ (0.11)us-gaap_EarningsPerShareBasicAndDiluted $ (0.41)us-gaap_EarningsPerShareBasicAndDiluted $ (0.32)us-gaap_EarningsPerShareBasicAndDiluted $ (0.11)us-gaap_EarningsPerShareBasicAndDiluted