Short-Term Investments (Tables)

9 Months Ended

Sep. 30, 2013

The following summarizes the Company’s available for sale investments at September 30, 2013:

(in thousands)	Cost		Gross unrealized gains		Gross unrealized losses		Fair value

Debt securities:
U.S. Treasury	$	24,741	$	6	$	1	$	24,746
Corporate bonds	44,867		17		22		44,862
Total	$	69,608	$	23	$	23	$	69,608

Maturities of investments were as follows:
Less than one year	$	45,618	$	14	$	3	$	45,629
Greater than one year	23,990		9		20		23,979
Total	$	69,608	$	23	$	23	$	69,608

The following summarizes the Company’s available for sale investments at December 31, 2012:

(in thousands)	Cost		Gross unrealized gains		Gross unrealized losses		Fair value
Debt securities:
U.S. Treasury	$	29,000	$	8	$	—	$	29,008
Corporate bonds	42,334		10		14		42,330
Total	$	71,334	$	18	$	14	$	71,338

Maturities of investments were as follows:
Less than one year	$	34,553	$	10	$	3	$	34,560
Greater than one year	36,781		8		11		36,778
Total	$	71,334	$	18	$	14	$	71,338

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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