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Consolidated Statements of Cash Flows (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cash flows from operating activities    
Net loss $ (864,867) $ (1,601,963)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 1,124,038 912,929
Interest from amortization of debt discount    316,693
Interest from amortization of debt costs 3,298 118,977
Warrants issued to consultant 7,500   
Gain on sale of property and equipment    (20,480)
Stock based compensation 272,044 246,149
Change in provision for doubtful accounts receivable 10,969 (15,685)
Change in value of warrant liability (103,364)   
Deferred rent (118,536) (105,024)
Loss on extinguishment of debt    131,784
Changes in operating assets and liabilities:    
Trade accounts receivables (311,004) (13,296)
Other receivables (10,057) (30,943)
Inventories 109,253 (484,959)
Prepaid expenses and other assets 82,671 194,663
Accounts payable and accrued liabilities 166,039 446,057
Deferred revenue 37,750   
Net cash provided by operating activities 405,734 94,902
Cash flows from investing activities    
Purchase of property and equipment (628,593) (908,391)
Proceeds from sale of equipment    20,480
Net cash used in investing activities (628,593) (887,911)
Cash flows from financing activities    
Proceeds from exercise of stock options    7,634
Proceeds from sale of common stock, net of costs 1,596,786   
Proceeds from sale of common stock from employee stock purchase plan 13,595 12,137
Costs associated with conversion of debentures    (6,749)
Repayments of debentures    (14,250)
Exercise of warrants    231,659
Net cash provided by financing activities 1,610,381 230,431
Effect of exchange rate on cash and cash equivalents 37,665 27,127
Increase (decrease) in cash and cash equivalents 1,425,187 (535,451)
Cash and cash equivalents, beginning of period 928,900 1,464,351
Cash and cash equivalents, end of period 2,354,087 928,900
Supplemental disclosure of cash flow information:    
Interest paid in cash 1,670 2,236
Income taxes paid 4,174 4,429
Supplemental disclosure of non-cash investing & financing activities:    
Convertible debentures converted into common stock    832,500
Prepaid interest on convertible debentures through the issuance of common stock 87,000   
Fair value of warrants issued to consultant 15,000  
Premium from debt exchange    $ 42,719