Investments (Tables)

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities

The cost and carrying value of available-for-sale investments were as follows (in thousands):

September 30, 2016	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Carrying Value
Debt securities: corporate bonds	$	4,331	$	91	$	(22	)	$	4,400
Marketable equity securities	10,463		10,052		(45		)	20,470
Total available-for-sale investments	$	14,794	$	10,143	$	(67	)	$	24,870

December 31, 2015	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Carrying Value
Debt securities: corporate bonds	$	4,458	$	46	$	(51	)	$	4,453
Marketable equity securities	10,339		7,879		(81		)	18,137
Total available-for-sale investments	$	14,797	$	7,925	$	(132	)	$	22,590

Investments Classified by Contractual Maturity Date

The amortized cost and carrying value of investments in debt securities, by contractual maturity, are shown below. Actual maturity dates may differ from contractual maturity dates because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties (in thousands):

	September 30, 2016				December 31, 2015
	Amortized Cost		Carrying Value		Amortized Cost		Carrying Value
Due in one year or less					$	38	$	37
Due after one year through five years	$	4,331	$	4,400	2,603		2,566
Due after five years					1,817		1,850
Total	$	4,331	$	4,400	$	4,458	$	4,453

Fair Value, by Balance Sheet Grouping

The Company owned the following investments at September 30, 2016 and December 31, 2015 that were not classified as available-for-sale (in thousands):

	Carrying Value		Voting Interest
Investment in Synthonics	$	2,170	18.2	%
Investment in Mindjet	1,312		19.3	%
Total	$	3,482