Cash Equivalents and Marketable Securities (Tables)

3 Months Ended

Jun. 30, 2012

Cash Equivalents and Marketable Securities [Abstract]

Amortized cost and fair value of marketable securities classified as available-for-sale

The amortized cost and fair value of our marketable securities classified as available-for-sale are summarized as follows:

	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
June 30, 2012
Short-term investments:
U.S. Government and Agency debt securities	$	3,019,000	$	-	$	1,000	$	3,018,000
Bank holding company debt securities		2,216,000		-		1,000		2,215,000
Long-term investments:
U.S. Government and Agency debt securities		1,006,000		-		-		1,006,000
Total	$	6,241,000	$	-	$	2,000	$	6,239,000

March 31, 2012
Short-term investments:
U.S. Government and Agency debt securities	$	1,001,000	$	-	$	-	$	1,001,000
Long-term investments:
U.S. Government and Agency debt securities		2,030,000		-		1,000		2,029,000
Total	$	3,031,000	$	-	$	1,000	$	3,030,000