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Concentrations of Credit Risk
12 Months Ended
Jun. 30, 2014
Risks and Uncertainties [Abstract]  
Concentrations of Credit Risk
9.   Concentrations
      of Credit Risk
Financial instruments which potentially subject the Company to concentrations of credit risk consist principally of cash and cash equivalents, accounts and trade receivables and leases and mortgages receivable.  The Company maintains its cash and cash equivalents, including a money market account, at a large bank. At June 30, 2014, bank deposits exceeded Federal Deposit Insurance Corporation limits by approximately $8,700,000. Concentrations of credit risk with respect to trade receivables are limited due to a large customer base.  Also, based on the Company’s credit evaluation, trade receivables are often collateralized by the equipment sold. Two customers, each provided more than 10% of fiscal 2014 revenues.