CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 21,338	$ 17,092
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	653	722
Amortization of intangible assets	1,255	1,449
Unrealized (gains) losses on trading investments	145	(539)
Stock based compensation expense	11,658	12,298
Deferred income taxes	(1,693)	1,481
Gain on sale of operations	(524)	0
Change in operating assets and liabilities:
Net sales (purchases) of investments - trading securities	(19,824)	8,931
Accounts receivable	1,537	1,686
Other current assets	4,185	(3,881)
Accounts payable and accrued liabilities	(650)	178
Increase (decrease) in accrued litigation liability	0	8,018
Compensation and benefits payable	(6,157)	(2,696)
Income taxes payable	3,265	(5,181)
Other liabilities	(118)	(111)
Net cash provided by operating activities	15,070	39,447
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(676)	(537)
Proceeds from sale of operations	10,013	0
Payments to Acquire Investments	(5,425)
Payments to Acquire Businesses, Net of Cash Acquired		0
Net cash provided by (used in) investing activities	3,912	(537)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment for Repurchases of Stock for Benefit Plan	(726)	(1,326)
Restricted stock returned for payment of taxes	(4,701)	(5,231)
Cash dividends paid	(18,825)	(16,787)
Net cash used in financing activities	(24,252)	(23,344)
Effect of currency rate changes on cash	(893)	2,191
Net Change in Cash and Cash Equivalents	(6,163)	17,757
Cash and cash equivalents, beginning of period	54,249	33,679
Cash and cash equivalents, end of period	48,086
Supplemental cash flow information:
Cash paid during the period for income taxes	5,634	10,245
DividendsAccrued	$ 8,644	$ 8,161