CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (1,594,800)	$ (900,600)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	183,700	194,000
Accretion of fair value - contingent payments and asset retirement obligation	23,100	39,800
Adjustment of accretion and depreciation for reversal of contingent liability	0	(117,000)
Gain on sale of marketable securities	0	(103,200)
Stock issued for services	0	31,500
Stock-based compensation	27,800	41,800
Exercisable warrants issued under note payable to Anderson Family Trust	1,100	0
Reserve recorded for American Citizenship Center, LLC note receivable	266,400	0
Changes in operating assets and liabilities:
Accounts receivable	42,000	50,900
Other receivables - related party	1,400	5,000
Prepaid expenses and other current assets	117,200	98,200
Trust account-asset retirement obligation	(18,700)	(18,700)
Accounts payable and accrued expenses	83,700	35,900
Contingent land payment	0	(25,100)
Net cash used in operating activities	(867,100)	(667,500)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from repayment of American Citizenship Center, LLC note receivable	27,400	115,200
Purchase of land, property, and equipment	(9,600)	(395,700)
Proceeds from sale of marketable securities	0	542,100
Net cash provided by investing activities	17,800	261,600
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury shares	0	(20,800)
Proceeds from note payable to Anderson Family Trust	200,000	0
Net cash used in financing activities	200,000	(20,800)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(649,300)	(426,700)
CASH AND CASH EQUIVALENTS, beginning of period	788,900	1,215,600
CASH AND CASH EQUIVALENTS, end of period	139,600	788,900
SUPPLEMENTAL SCHEDULE OF CASH FLOW INFORMATION
Net cash paid during the period for interest	0	0
Net cash paid during the year for income taxes	0	0
Non-Cash Activities:
Unrealized gain (loss) on marketable securities	0	121,200
Value of stock-based compensation for options	27,800	41,800
Value of exercisable warrants issued under note payable to Anderson Family Trust	1,100	0
Value of shares issued in payment of services	0	31,500
Note receivable issued for ACC amendment and accounting fees	0	29,000
Reserve recorded for ACC note receivable	266,400	0
Reversal of contingent purchase price liability and related fixed asset	$ 0	$ 500,000