Short-term Investments (Tables)

9 Months Ended

Sep. 30, 2012

Short-Term Investments [Abstract]

Held-to-maturity Securities [Table Text Block]

The Company had no short-term investments as of September 30, 2012. The following table summarizes the Company’s held-to-maturity investments as of December 31, 2011 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Corporate debt securities	$	1,525	$	20	$	(12	)	$	1,533
Municipal securities		478		7		(1	)		484
Total	$	2,003	$	27	$	(13	)	$	2,017