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Net investment in sales-type leases
6 Months Ended
Jun. 30, 2012
Leases [Abstract]  
Net Investment in Sales-Type Leases
Net investment in sales-type leases

The Company has sales-type leases with a term of three years. Sales-type lease receivables are collateralized by the underlying equipment. The components of our net investment in sales-type leases are as follows (in thousands):
 
December 31,
December 31,
June 30,
 
2010
2011
2012
 
 
 
(unaudited)

Net minimum lease payments to be received
$

$

$
1,588

Less unearned interest income portion


(151
)
Net investment in sales-type leases


1,437

Less current portion


(498
)
Non-current net investment in sales-type leases
$

$

$
939


There were no allowances for doubtful accounts for each of the years ended December 31, 2010 or 2011, or for the six months ended June 30, 2012 (unaudited).
The minimum lease payments under sales-type leases as of June 30, 2012 (unaudited) were as follows (in thousands):
2012 (remaining six months)
$
289

2013
578

2014
578

2015
143

2016 and thereafter

Total
$
1,588