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Consolidated Statements of Cash Flows (Unaudited) (USD $)
 3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash flows from operating activities    
Net income (loss) $ (80,345) $ 101,221
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 223,948 208,637
Interest from amortization of debt costs    866
Loss on disposal of property and equipment 1,058 702
Stock based compensation 69,828 60,814
Change in provision for doubtful accounts receivable 5,849 (623)
Change in fair value of warrant liability 18,952 (95,784)
Deferred rent (39,245) (12,605)
Changes in operating assets and liabilities:    
Trade accounts receivables 123,915 51,556
Other receivables 100,000 (205,021)
Inventories (320,382) (87,617)
Prepaid expenses and other assets (94,268) (73,976)
Accounts payable and accrued liabilities 241,605 68,554
Deferred revenue    (37,750)
Net cash provided by (used in) operating activities 250,915 (21,026)
Cash flows from investing activities    
Purchase of property and equipment (225,515) (171,069)
Cash flows from financing activities    
Proceeds from sale of common stock from employee stock purchase plan 2,512 3,794
Proceeds from exercise of warrants, net of costs 1,279,447   
Payments on capital lease obligation (3,062) (900)
Net cash provided by financing activities 1,278,897 2,894
Effect of exchange rate on cash and cash equivalents 9,689 (3,157)
Increase (decrease) in cash and cash equivalents 1,313,986 (192,358)
Cash and cash equivalents, beginning of period 1,565,215 2,354,087
Cash and cash equivalents, end of period 2,879,201 2,161,729
Supplemental disclosure of cash flow information:    
Interest paid in cash 175 1,380
Income taxes paid 2,166 1,736
Purchase of equipment through capital lease arrangements 12,972   
Supplemental disclosure of non-cash investing & financing activities:    
Prepaid interest on convertible debentures through the issuance of common stock    $ 87,000