ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details Textual) - USD ($)	Jan. 31, 2019	Apr. 30, 2018
Real Estate Operation [Member]
Accounts Payable and Accrued Liabilities Disclosure [Line Items]
Accrued Liabilities	$ 436,000	$ 746,000
Accounts Payable, Trade	447,000	773,000
Accounts Payable and Other Accrued Liabilities		9,000
Real Estate Customer Deposits	1,198,000	897,000
Fulfillment Services [Member]
Accounts Payable and Accrued Liabilities Disclosure [Line Items]
Accrued Liabilities	302,000	515,000
Customer Postage Deposits Current And Noncurrent	2,559,000	2,505,000
Accounts Payable, Trade	559,000	388,000
Accounts Payable and Other Accrued Liabilities	$ 1,199,000	$ 1,322,000