DEBT AGREEMENTS WITH ESSIG (DETAILS) {Stockholders'Equity} $ in Thousands	12 Months Ended
	May 31, 2016 USD ($)
Note
Balance	$ 0
Borrowings	450
Repayments	(304)
Balance	146
Balance	146
Short Term Note
Borrowings	300
Balance	300
Borrowing	578
Repayments	(124)
Balance	754
Borrowings	750
Repayments	(304)
Balance	446
Borrowing	578
Repayments	(124)
Balance	$ 900