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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
1 Months Ended 12 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, 2016
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Patent
Jun. 30, 2015
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Jun. 30, 2014
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Revenue Recognition [Abstract]                        
Revenue recorded from bill and hold inventory                   $ 3,200,000 $ 2,600,000 $ 1,900,000
Bill and hold inventory                   2,100,000 1,600,000  
Income Taxes [Abstract]                        
Liability for uncertain tax positions                   0 0  
Allowance for Doubtful Accounts [Roll Forward]                        
Balance beginning of year                   34,000 23,000 26,000
Charges to expense                   34,000 22,000 0
Write-offs /payments                   (5,000) (11,000) (3,000)
Balance end of year                   63,000 34,000 23,000
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]                        
Stock-based compensation expense                   $ 676,000 $ 511,000 $ 438,000
Valuation assumptions [Abstract]                        
Weighted average risk-free interest rate                   1.00% 0.40% 0.60%
Weighted average expected volatility                   45.00% 45.00% 52.00%
Weighted average expected life                   4 years 6 months 22 days 3 years 5 months 26 days 4 years 14 days
Dividend yield                   0.00% 0.00% 0.00%
Cash and Cash Equivalents [Abstract]                        
Percentage of FDIC insured amount in savings account                   100.00%    
Inventory [Abstract]                        
Total inventory                   $ 3,919,000 $ 2,738,000  
Finished goods                   2,500,000 1,300,000  
Raw materials                   1,400,000 1,400,000  
Loss on inventory write-down                   $ 17,000 0 $ 156,000
Intangible Assets [Abstract]                        
Intangible assets description                   Intangible assets consist of (i) acquired customer relationships, (ii) permit costs related to the Company’s treatment facility in Carthage, Texas, and (iii) 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 2014), and (iv) defense costs related to certain existing patents.    
Number of patents acquired | Patent 1 1 1 1 1 2 1 1 2 11    
Finite-Lived Intangible Assets [Line Items]                        
Amortization expense                   $ 100,000 100,000 100,000
Original Amount                   1,631,000 1,051,000  
Accumulated amortization                   (502,000) (385,000)  
Total                   1,129,000 666,000  
Future amortization of intangible assets [Abstract]                        
2017                   137,000    
2018                   136,000    
2019                   136,000    
2020                   136,000    
2021                   135,000    
Thereafter                   449,000    
Total                   1,129,000 666,000  
Advertising Costs [Abstract]                        
Advertising costs                   600,000 600,000 500,000
Realization of Long-lived Assets [Abstract]                        
Impairment losses recognized                   $ 0 0 0
Defined Contribution Plan Disclosure [Line Items]                        
Employers match percentage                   25.00%    
Maximum annual percentage contribution per employee                   6.00%    
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    
Maximum [Member]                        
Research and Development Expenses [Line Items]                        
Research and development expenses                   100,000 100,000 100,000
Defined Contribution Plan Disclosure [Line Items]                        
Company contributions to the 401(k) plan                   100,000 100,000 100,000
Self-insured liability, health insurance                   100,000 100,000  
Executives [Member]                        
Defined Contribution Plan Disclosure [Line Items]                        
Aggregate stock-based compensation expense                   $ 0 300,000 0
Internal Revenue Service (IRS) [Member] | Minimum [Member]                        
Income Tax Contingency [Line Items]                        
Open tax years                   2013    
State of Texas [Member] | Minimum [Member]                        
Income Tax Contingency [Line Items]                        
Open tax years                   2011    
State of Georgia [Member] | Minimum [Member]                        
Income Tax Contingency [Line Items]                        
Open tax years                   2013    
States of Pennsylvania [Member] | Minimum [Member]                        
Income Tax Contingency [Line Items]                        
Open tax years                   2013    
Other States [Member] | Minimum [Member]                        
Income Tax Contingency [Line Items]                        
Open tax years                   2013    
Cost of Revenue [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]                        
Stock-based compensation expense                   $ 31,000 22,000 18,000
Selling, General and Administrative [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]                        
Stock-based compensation expense                   $ 645,000 489,000 $ 420,000
Customer Relationships [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Estimated Useful Lives                   7 years    
Original Amount                   $ 580,000 0  
Accumulated amortization                   (60,000) 0  
Total                   520,000 0  
Future amortization of intangible assets [Abstract]                        
Total                   520,000 0  
Permits [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Original Amount                   668,000 668,000  
Accumulated amortization                   (191,000) (150,000)  
Total                   477,000 518,000  
Future amortization of intangible assets [Abstract]                        
Total                   $ 477,000 518,000  
Permits [Member] | Minimum [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Estimated Useful Lives                   6 years    
Permits [Member] | Maximum [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Estimated Useful Lives                   15 years    
Patents [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Original Amount                   $ 383,000 383,000  
Accumulated amortization                   (251,000) (235,000)  
Total                   132,000 148,000  
Future amortization of intangible assets [Abstract]                        
Total                   $ 132,000 $ 148,000  
Patents [Member] | Minimum [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Estimated Useful Lives                   5 years    
Patents [Member] | Maximum [Member]                        
Finite-Lived Intangible Assets [Line Items]                        
Estimated Useful Lives                   17 years