Inventory Finance Receivables and Allowance for Loan Loss (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Direct Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables	$ 17,458	$ 18,367
Participation Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables	7,420	6,529
Performing [Member] | Direct Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables	17,045	17,972
Performing [Member] | Participation Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables	7,420	6,529
Watch list [Member] | Direct Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables	413	395
Watch list [Member] | Participation Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables
Nonperforming [Member] | Direct Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables
Nonperforming [Member] | Participation Inventory Finance [Member]
Risk profile based on payment activity
Inventory finance receivables