Note 11 - Marketable Securities

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

11.  Marketable Securities:

The amortized cost and estimated fair values of securities available-for-sale and held-to-maturity at December 31, 2013 and 2012, are as follows (in thousands):

	December 31, 2013
	Amortized Cost		Gross Unrealized Gains		Estimated Fair Value
Available-for-sale:
Equity securities	$	33,728	$	25,995	$	59,723
Held-to-maturity:
Debt securities		3,043		59		3,102
Total marketable securities	$	36,771	$	26,054	$	62,825

	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Estimated Fair Value
Available-for-sale:
Equity securities	$	14,205	$	19,223	$	33,428
Held-to-maturity:
Debt securities		3,113		284		3,397
Total marketable securities	$	17,318	$	19,507	$	36,825

During 2013, 2012 and 2011, the Company received $26.4 million, $0.2 million and $188.0 million in proceeds from the sale/redemption of certain marketable securities, respectively. In connection with these transactions, during 2013, 2012 and 2011 the Company recognized (i) gross realizable gains of $12.1 million, $0.0 million and $0.8 million, respectively, (ii) foreign currency gains of $0.0 million, $0.0 million and $1.6 million, respectively, and (iii) gross realizable losses of $0.0 million, $0.0 million and $0.3 million, respectively.

As of December 31, 2013, the contractual maturities of debt securities classified as held-to-maturity are as follows: after one year through five years, $2.2 million; and after five years through 10 years, $0.8 million. Actual maturities may differ from contractual maturities as issuers may have the right to prepay debt obligations with or without prepayment penalties.