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Consolidated Statements of Cash Flows (Unaudited) (USD $)
 6 Months Ended
Dec. 31, 2011
Dec. 31, 2010
OPERATING ACTIVITIES:    
Net loss $ (1,900,014) $ (2,019,743)
Adjustments to reconcile net loss to net cash used in operating activities:    
Charges incurred in connection with the issuance and vesting of common stock for employee and director compensation 427,497 8,802
Charges incurred in connection with the Long-term Equity Incentive Program   54,395
Change in fair value of warrants (1,888,368)  
(Gain) Loss on disposal of property and equipment (12,003) 10,380
Depreciation, $885,674 and $414,646, respectively, of which is allocated to cost of services 1,116,115 604,664
Amortization 517,200 517,200
Bad debt expense (recovery) (41,568) 25,728
Changes in operating assets and liabilities:    
Accounts receivable 32,520 761,748
Finance receivables (34,112) 96,141
Inventory (2,727,284) (2,541,602)
Prepaid expenses and other assets (137,871) 447,635
Accounts payable (1,322,043) 197,559
Accrued expenses 890,051 (331,201)
Net cash used in operating activities (5,079,880) (2,168,294)
INVESTING ACTIVITIES:    
Purchase of property and equipment, net (373,945) (213,745)
Net cash used in investing activities (373,945) (213,745)
FINANCING ACTIVITIES:    
Net proceeds from issuance (retirements) of common stock and exercise of common stock warrants (2,031) 5,824
Repayment of long-term debt (205,274) (232,113)
Net cash used in financing activities (207,305) (226,289)
Net decrease in cash and cash equivalents (5,661,130) (2,608,328)
Cash and cash equivalents at beginning of period 12,991,511 7,604,324
Cash and cash equivalents at end of period 7,330,381 4,995,996
Supplemental disclosures of cash flow information:    
Cash paid for interest 16,800 23,269
Equipment and software acquired under capital lease 495,955  
Prepaid insurance financed with long-term debt 90,372 94,311
Conversion of convertible preferred stock to common stock   10,620
Conversion of cumulative preferred dividends to common stock   33,000
Reclass of inventory to fixed assets for rental units 2,055,994 3,823,972
Disposal of property & equipment $ 54,638 $ 140,931