Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net loss	$ (36,610)	$ (23,912)	$ (21,542)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation	1,350	1,324	1,354
Provision / (Recovery) for doubtful accounts	10	(5)	(36)
Non-cash interest expense	1,241	7,680	0
Development costs write off	0	0	16,003
Loss on disposal of property and equipment	1	1	91
Stock - based compensation	596	636	385
Changes in operating assets and liabilities:
Restricted cash—NYSGC Lottery and Purse Accounts	354	(633)	128
Accounts receivable	(117)	135	(136)
Prepaid expenses and other current assets	(544)	(1,274)	(184)
Other assets	3	91	122
Accounts payable	(962)	(350)	(251)
Accrued expenses and other current liabilities	3,298	815	(276)
Net cash used in operating activities	(31,380)	(15,492)	(4,342)
Cash flows from investing activities:
Purchase of property and equipment	(767)	(1,542)	(1,036)
Capitalized project development costs	(4,074)	0	0
Restricted cash—Racing capital improvement	(15,472)	0	0
Development costs	0	0	(5,574)
Net cash used in investing activities	(20,298)	(1,549)	(6,567)
Cash flows from financing activities:
Proceeds from rights offering, net of expenses	49,528	13,180	11,178
Series E preferred shares and dividend redemption	(533)	0	(2,819)
Proceeds from exercise of stock options and warrants	2,660	2,770	1,013
Net cash provided by financing activities	51,655	15,950	9,372
Net decrease in cash and cash equivalents	(23)	(1,091)	(1,537)
Cash and cash equivalents, beginning of period	6,435	7,526	9,063
Cash and cash equivalents, end of period	6,412	6,435	7,526
Supplemental disclosures of cash flow information:
Interest paid	1,398	1,330	1,325
Income taxes paid	0	0	17
Noncash investing and financing activities:
Common stock issued in settlement of preferred stock dividends	159	218	167
Project development costs included in accrued expenses	6,331	0	0
Racing Capital Improvements [Member]
Cash flows from investing activities:
Restricted cash—Racing capital improvement	$ 15	$ (7)	$ 43