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Consolidated Statements of Cash Flows (Unaudited) (USD $)
 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Cash flows from operating activities    
Net income (loss) $ 459,087 $ (1,060,731)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 601,334 857,721
Interest from amortization of debt costs 3,882 2,448
Loss on disposal of property and equipment 2,273   
Stock based compensation 197,198 202,802
Change in provision for doubtful accounts receivable 9,386 7,946
Change in fair value of warrant liability (488,102)   
Deferred rent (87,446) (92,753)
Changes in operating assets and liabilities:    
Trade accounts receivables (110,668) (571,541)
Other receivables (282,500) 10,289
Inventories (314,984) 59,196
Prepaid expenses and other assets (33,077) 45,022
Accounts payable and accrued liabilities 13,438 354,169
Deferred revenue (35,784) 282,000
Net cash provided by (used in) operating activities (65,963) 96,568
Cash flows from investing activities    
Purchase of property and equipment (671,220) (580,575)
Net cash used in investing activities (671,220) (580,575)
Cash flows from financing activities    
Proceeds from sale of common stock from employee stock purchase plan 8,981 14,145
Costs associated with conversion of debentures (39,919)   
Repayments of debentures (180,000)   
Payments on capital lease obligation (2,701)   
Net cash provided by (used in) financing activities (213,639) 14,145
Effect of exchange rate on cash and cash equivalents 225 31,017
Decrease in cash and cash equivalents (950,597) (438,845)
Cash and cash equivalents, beginning of period 2,354,087 928,900
Cash and cash equivalents, end of period 1,403,490 490,055
Supplemental disclosure of cash flow information:    
Interest paid in cash 1,757 1,670
Income taxes paid 2,350 3,694
Supplemental disclosure of non-cash investing & financing activities:    
Prepaid interest on convertible debentures through the issuance of common stock 87,000 87,000
Issuance of common stock through the conversion of 8% convertible debentures $ 907,500