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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
1 Months Ended 12 Months Ended 193 Months Ended
Jan. 30, 2014
Patent
Nov. 30, 2013
Patent
Dec. 31, 2012
Patent
Sep. 30, 2012
Patent
Aug. 31, 2012
Patent
Apr. 30, 2012
Patent
Jan. 31, 2012
Patent
Nov. 30, 2003
Patent
Jun. 30, 1998
Patent
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2014
Patent
Cash and Cash Equivalents [Abstract]                            
Percentage of FDIC insured amount in savings account (in hundredths)                   100.00%        
Inventory [Abstract]                            
Loss on inventory write-down                   $ 156,000 $ 0 $ 0    
Total inventory                   1,320,000 1,632,000     1,320,000
Finished goods                   600,000 700,000     600,000
Raw materials                   700,000 900,000     700,000
Intangible Assets [Abstract]                            
Intangible assets description                   Intangible assets consist of (i) permit costs related to the Company’s treatment facility in Carthage, Texas, (ii) eleven patents (two acquired in June 1998, one in November 2003, one in January 2012, two in April 2012, one in August 2012, one in September 2012, one in December 2012, one in November 2013 and one in January 2013), and (iii) defense costs related to certain existing patents.        
Number of patents acquired 1 1 1 1 1 2 1 1 2         11
Estimated life of patents                   17 years        
Amortization expense                   55,000 18,000 30,000    
Future amortization of intangible assets [Abstract]                            
2015                   56,000       56,000
2016                   56,000       56,000
2017                   54,000       54,000
2018                   52,000       52,000
2019                   52,000       52,000
Thereafter                   445,000       445,000
Total                   715,000       715,000
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                            
Stock-based compensation expense                   438,000 514,000 786,000    
Share-based compensation, excess tax benefits                   0 0 85,000    
Valuation assumptions [Abstract]                            
Weighted average risk-free interest rate (in hundredths)                   0.60% 0.50%   0.30%  
Weighted average expected volatility (in hundredths)                   52.00% 58.00%   66.00%  
Weighted average expected life (in years)                   4 years 0 months 14 days 4 years 7 months 10 days   3 years 10 months 20 days  
Dividend yield (in hundredths)                   0.00% 0.00%   0.00%  
Advertising Costs [Abstract]                            
Advertising costs                   457,000 495,000 578,000    
Realization of Long-lived Assets [Abstract]                            
Impairment losses recognized                   0 129,000 70,000    
Employee Benefit Plans                            
Employers match percentage (in hundredths)                   25.00%        
Maximum annual percentage contribution per employee (in hundredths)                   6.00%        
Company contributions to the 401(k) plan                   31,000 39,000 38,000    
Prior Group health benefit plan, individual deductible                   2,000        
Group health benefit plan, family deductible                   2,000        
Group health benefit plan, third party insurance company coverage beginning amount, individual                   2,000        
Group health benefit plan, third party insurance company coverage beginning amount, family                   14,999        
Self-insured liability, health insurance                   31,000 28,000     31,000
Uncertain tax positions                            
Liability for uncertain tax positions                   0 0     0
Tax adjustments                   0        
Internal Revenue Service (IRS) [Member]
                           
Income Tax Contingency [Line Items]                            
Open tax years                   Fiscal years ended June 30, 2010, 2011, 2012, 2013 and 2014        
State of Texas [Member]
                           
Income Tax Contingency [Line Items]                            
Open tax years                   Fiscal years ended June 30, 2010, 2011, 2012, 2013 and 2014        
State of Georgia [Member]
                           
Income Tax Contingency [Line Items]                            
Open tax years                   Fiscal years ended June 30, 2011, 2012, 2013 and 2014        
States of Pennsylvania [Member]
                           
Income Tax Contingency [Line Items]                            
Open tax years                   Fiscal years ended June 30, 2011, 2012, 2013 and 2014        
Other States [Member]
                           
Income Tax Contingency [Line Items]                            
Open tax years                   Fiscal years ended June 30, 2013 and 2014        
Cost of Revenues [Member]
                           
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                            
Stock-based compensation expense                   18,000 21,000 68,000    
General and Administrative Expense [Member]
                           
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                            
Stock-based compensation expense                   $ 420,000 $ 493,000 $ 718,000