Contract Receivables & Credit Facility Receivable (Narrative) (Details) (USD $)	12 Months Ended				0 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013 New England Technology Finance, LLC ("NETF")	Apr. 30, 2012 New England Technology Finance, LLC ("NETF")	Sep. 30, 2009 New England Technology Finance, LLC ("NETF") Master Servicing Agreement ("MSA")	Sep. 30, 2009 New England Technology Finance, LLC ("NETF") Asset Purchase and liability Assumption Agreement	Sep. 30, 2009 New England Technology Finance, LLC ("NETF") Asset Purchase Agreement (the "APA")
Repurchase Accounts Receivable terms						The APLA also provides for the Company to repurchase, after 90 days, at NETF's request, any amounts that remain by the customer at a repurchase price equal to the outstanding balance due on the account.	The APA also provides for the Company to repurchase, after 90 days, at NETF's request, any amounts that remain unpaid by the customer at a repurchase price equal to 75% of the outstanding balance due on the account; however such repurchases are limited to 15% of all receivables transferred to NETF under this arrangement.
Percentage of Account Receivable inexchange of Advance							75.00%
Fees towards transfer of Advance							NETF charges the Company fees (the Discount Factor) in an amount equal to the LIBOR rate plus 4% per annum on advances made at the time of the transfer.
Servicing Rights To Customer					Under the terms of the MSA, the Company manages collections and other ongoing interactions with its customers in exchange for fees amounting to approximately 20% of the gross invoice amount NETF settles fees payable to the Company under this arrangement net of the Discount Factor.
Loss on sale of Receivables	$ 252,214	$ 322,590
Sale of Accounts Receivable to NETF			13,300,000	15,900,000
Accounts Payable Assumed by NETF			$ 9,000,000	$ 10,400,000

Inova Technology Inc. 10-K