Accounts Receivable

3 Months Ended

Mar. 31, 2012

Accounts Receivable [Abstract]

Accounts Receivable

3. Accounts Receivable

Accounts receivable consists of the following as of (in thousands):

	March 31, 2012			December 31, 2011
Trade accounts receivable	$	34,637		$	56,036
Unbilled trade accounts receivable		3,633			11,545
Lease receivables, net of deferred interest income of $195 and $223 at March 31, 2012 and December 31, 2011, respectively		3,248			5,853
Finance receivables, net of deferred interest income of $621 and $628 at March 31, 2012 and December 31, 2011, respectively		3,184			2,531
Vendor and other receivables		1,782			571
Total accounts receivable	$	46,484		$	76,536
Less: Allowance for doubtful accounts		0			(5	)
Sales return allowance		(476	)		(517	)
Accounts receivable, net	$	46,008		$	76,014