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Discontinued Operations - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended	13 Months Ended
	Feb. 27, 2012	Mar. 31, 2013	Mar. 31, 2013	Mar. 31, 2013	Jun. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of assets	$ 756,000
Period of earnout payments			30 days
Percentage of earnout payments in first quarter			6.00%
Percentage of earnout payments in second quarter			4.00%
Percentage of earnout payments in third quarter			2.00%
Other receivables			43,000
Income from earnout payments		43,000	135,000	200,000
Aggregate carrying amount of land and building to estimated fair value		733,000	733,000	733,000	733,000
Carson City Facility Purchase Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Date of purchase agreement			April 22, 2013
Purchase price			980,000
Escrow deposit			15,000
Additional escrow deposit			80,000
Due diligence period			60 days
Purchase price balance			$ 885,000
Description of due diligence period			The Agreement affords AART a 60-day due diligence period (ending on June 21, 2013) with respect to the Carson City facility. If AART does not terminate the Agreement during its due diligence period, its $15,000 and $80,000 deposits become nonrefundable unless the Agreement does not close due to AART’s failure to obtain financing, a breach by us or a failure of one of the closing conditions. The Agreement contains customary representations, warranties and covenants by AART and us, and is subject to customary closing conditions, including completion of due diligence to the satisfaction of AART. Subject to the foregoing, the Agreement provides for the closing to occur on or before July 8, 2013.