CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 28,795	$ 18,150
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation	0	232
Amortization and write-off of debt issuance costs	0	193
Impairment of property and equipment	0	0
Stock-based compensation and employee stock purchase plan discount	0	(205)
Gain on sale of marketable securities	0	(320)
Gain on sale of assets	(61)	(1,554)
Amortization of purchase premium on marketable securities	0	735
Changes in operating assets and liabilities:
Decrease in other current assets	33	1,334
Decrease in accounts payable	88	(683)
Decrease in accrued expenses and other current liabilities	(934)	(3,877)
Increase in accrued dividends payable	4,417	0
Net cash provided by operating activities	32,338	14,005
Cash flows from investing activities:
Proceeds from sale of fixed assets	151	2,234
Proceeds from sales and maturities of marketable securities	0	118,894
Net cash provided by investing activities	151	121,128
Cash flows from financing activities:
Common stock dividend	(4,417)	(89,808)
Retirement of notes payable	0	(115,849)
Proceeds from issuance of common stock	0	12
Withholding taxes - stock-based compensation	(30)	(283)
Redemptions from employee stock purchase plan, net	0	(33)
Net cash used in financing activities	(4,447)	(205,961)
Net increase (decrease) in cash and cash equivalents	28,042	(70,828)
Cash and cash equivalents at beginning of year	6,520	77,348
Cash and cash equivalents at end of year	$ 34,562	$ 6,520