Consolidated Balance Sheets (USD $)	Mar. 31, 2012	Jun. 30, 2011
ASSETS:
Cash	$ 521,038	$ 1,394,388
Prepaid insurance and expenses	30,100	44,476
Subscriptions receivable (Note 7)		200,000
Deposits and other receivables	8,862	11,956
Total current assets	560,000	1,650,820
Restricted cash (Note 9)	57,315	82,315
Property and equipment, net (Note 4)	7,911,370	7,291,899
Total assets	8,528,685	9,025,034
LIABILITIES AND EQUITY (DEFICIT)
Accounts payable and accrued expenses	703,377	1,482,454
Deferred compensation (Note 5)	239,958	81,204
Total current liabilities	943,335	1,563,658
Loan payable (Note 6)	7,754,000	6,411,568
Other liabilities (Note 7)		743,915
Deferred compensation (Note 5)	486,948	181,500
Deferred rent (Note 9)	30,555	45,054
Total liabilities	9,214,838	8,945,695
Bion's stockholders' equity (deficit):
Common stock, no par value, 100,000,000 shares authorized, 16,605,380 and 13,730,291 shares issued, respectively; 15,901,071 and 13,025,982 shares outstanding, respectively
Additional paid-in capital	90,590,108	80,197,027
Accumulated deficit	(91,432,375)	(85,617,251)
Total Bion's stockholders' deficit	(813,967)	(2,542,799)
Noncontrolling interest (Note 3)	85,289	100,923
Total deficit	(728,678)	(2,441,876)
Total liabilities and deficit	8,528,685	9,025,034
Series A Preferred Stock [Member]
Bion's stockholders' equity (deficit):
Preferred stock
Series B Preferred Stock [Member]
Bion's stockholders' equity (deficit):
Preferred stock	42,525	2,521,215
Series C Preferred Stock [Member]
Bion's stockholders' equity (deficit):
Preferred stock	28,300	2,877,425
Total deficit	$ 28,300	$ 2,877,425