SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2015

Summary Of Significant Accounting Policies Tables

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

	December 31,		December 31,
	2015		2014
Securities owned
Common stocks	$	17,586	$	16,667
Corporate bonds		941		1,188
Partnership interests		7,016		100
	$	25,543	$	17,955
Securities sold not yet purchased
Corporate bonds	$	713	$	746

Schedule of Securities Owned and Sold, Not yet Purchased, at Fair Value [Table Text Block]

The following tables present information on the financial assets and liabilities measured and recorded at fair value on a recurring basis as of December 31, 2015 and 2014.

	Financial Assets and Liabilities Measured at Fair Value
	on a Recurring Basis at December 31, 2015, Using
			Quoted prices in		Other		Significant
	Fair Value at		active markets for		observable		unobservable
	December 31,		identical assets		inputs		inputs
	2015		(Level 1)		(Level 2)		(Level 3)
Assets:
Securities owned
Common stocks	$	17,586	$	17,296	$	-	$	290
Corporate bonds		941		-		941		-
Partnership interests		7,016		-		5,250		1,766
Total assets measured at fair value	$	25,543	$	17,296	$	6,191	$	2,056
Liabilities:
Securities sold not yet purchased
Corporate bonds	$	713	$	-	$	713	$	-
Mandatorily redeemable noncontrolling interests issued after November 5, 2003	$	2,330	$	-	$	-	$	2,330
Contingent consideration	$	2,391	$	-	$	-	$	2,391
Total liabilities measured at fair value	$	5,434	$	-	$	713	$	4,721

	Financial Assets and Liabilities Measured at Fair Value
	on a Recurring Basis at December 31, 2014, Using
			Quoted prices in		Other		Significant
	Fair Value at		active markets for		observable		unobservable
	December 31,		identical assets		inputs		inputs
	2014		(Level 1)		(Level 2)		(Level 3)
Assets:
Securities owned
Common stocks	$	16,667	$	16,348	$	-	$	319
Corporate bonds		1,188		-		1,188		-
Partnership interests		100		-		100		-
Total assets measured at fair value	$	17,955	$	16,348	$	1,288	$	319
Liabilities:
Securities sold not yet purchased
Corporate bonds	$	746	$	-	$	746	$	-
Mandatorily redeemable noncontrolling interests issued after November 5, 2003	$	2,285	$	-	$	-	$	2,285
Total liabilities measured at fair value	$	3,031	$	-	$	746	$	2,285

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Level 3		Level 3 Changes During the Year									Level 3
	Balance at		Fair		Relating to		Purchases,			Transfer in		Balance at
	Beginning of		Value		Undistributed		Sales and			and/or out		End of
	Period		Adjustments		Earnings		Settlements			of Level 3		Period
Year Ended December 31, 2015
Common stocks	$	319	$	-	$	-	$	(29	)	$	-	$	290
Partnership interests	$	-	$	79	$	-	$	1,687		$	-	$	1,766
Mandatorily redeemable noncontrolling interests issued after November 5, 2003	$	2,285	$	-	$	45	$	-		$	-	$	2,330
Contingent consideration	$	-	$	2,391	$	-	$	-		$	-	$	2,391
Year Ended December 31, 2014
Common stocks	$	-	$	-	$	-	$	319		$	-	$	319
Mandatorily redeemable noncontrolling interests issued after November 5, 2003	$	2,273	$	-	$	103	$	(91	)	$	-	$	2,285