Other noncurrent assets are comprised of deferred loan costs and long-term collateral deposits:
December 31,
2011
March 31,
2011
Collateral deposit
$
224,376
$
—
Deferred loan costs, net of amortization
163,299
181,141
Ending balance
$
387,675
$
181,141
Deferred loan costs represent the capitalization of costs incurred in connection with obtaining bank loans. These costs are being amortized on a straight-line basis over the term of the related debt obligation. Amortization of deferred loan costs for the nine months ended December 31, 2011 and 2010 was $17,843 and $9,522, respectively.