XML 79 R41.htm IDEA: XBRL DOCUMENT

Accounts Receivable (Details 1) (USD $)	12 Months Ended
Accounts Receivable (Details 1) (USD $)	Jan. 31, 2013	Jan. 31, 2012
Beginning balance	$ 358,000	$ 608,000
Amounts written off	(151,000)	(368,000)
Amounts provided for	196,000	118,000
Ending balance	$ 403,000	$ 358,000

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

+ References+ Details