Net Investment in Sales-Type Leases

Our sales-type leases are for terms generally up to five 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):



	March 31, 2014		December 31, 2013
Net minimum lease payments to be received	$	18,351	$	18,172
Less unearned interest income portion	1,397		1,455
Net investment in sales-type leases	16,954		16,717
Less current portion(1)	5,310		5,232
Non-current net investment in sales-type leases(2)	$	11,644	$	11,485

(1) A component of other current assets. This amount is net of an immaterial allowance for doubtful accounts as of March 31, 2014 and December 31, 2013.

(2) This amount is net of an immaterial allowance for doubtful accounts as of March 31, 2014 and December 31, 2013.

The minimum lease payments under sales-type leases as of March 31, 2014 were as follows (in thousands):



Remainder of 2014	$	4,549
2015	5,230
2016	3,991
2017	3,042
2018	1,466
Thereafter	73
Total	$	18,351

The following table summarizes the credit losses and recorded investment in sales-type leases, excluding unearned interest (in thousands):



	Allowance for Credit Losses		Recorded Investment in Sales-type Leases Gross		Recorded Investment in Sales-type Leases Net
Credit loss disclosure for March 31, 2014:
Accounts individually evaluated for impairment	$	—	$	—	$	—
Accounts collectively evaluated for impairment	169		17,123		16,954
Ending balances: March 31, 2014	$	169	$	17,123	$	16,954
Credit loss disclosure for December 31, 2013:
Accounts individually evaluated for impairment	$	—	$	—	$	—
Accounts collectively evaluated for impairment	167		16,884		16,717
Ending balances: December 31, 2013	$	167	$	16,884	$	16,717

The following table summarizes the activity for the allowance for credit losses for the investment in sales-type leases for the three months ended March 31, 2014 and 2013 (in thousands):



	Three Months Ended March 31,
	2014		2013
Allowance for credit losses, beginning of period	$	167	$	607
Current period provision	2		13
Direct write-downs charged against the allowance	—		(413		)
Recoveries of amounts previously charged off	—		(17		)
Allowance for credit losses, end of period	$	169	$	190