Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES:
Net loss	$ (2,438,631)	$ (4,534,012)
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	510,797	9,090
Charges incurred in connection with the Long-term Equity Incentive Program		54,395
Change in fair value of warrants	(1,983,442)	850,740
Loss on disposal of property and equipment	1,841	10,380
Depreciation, $1,383,745 and $781,329, respectively, of which is allocated to cost of services	1,747,445	1,073,275
Amortization	775,800	775,800
Bad debt expense (recovery)	(45,356)	2,552
Changes in operating assets and liabilities:
Accounts receivable	(451,770)	456,326
Finance receivables	(78,215)	168,272
Inventory	(3,845,500)	(2,740,227)
Prepaid expenses and other assets	(290,883)	356,608
Accounts payable	(1,030,781)	449,861
Accrued expenses	1,054,468	(560,994)
Net cash used in operating activities	(6,074,227)	(3,627,934)
INVESTING ACTIVITIES:
Purchase of property and equipment, net	(404,103)	(240,811)
Net cash used in investing activities	(404,103)	(240,811)
FINANCING ACTIVITIES:
Net proceeds from issuance (retirements) of common stock and exercise of common stock warrants	(2,031)	9,915,590
Repayment of long-term debt	(317,115)	(359,292)
Net cash provided by (used in) financing activities	(319,146)	9,556,298
Net increase (decrease) in cash and cash equivalents	(6,797,476)	5,687,553
Cash and cash equivalents at beginning of period	12,991,511	7,604,324
Cash and cash equivalents at end of period	6,194,035	13,291,877
Supplemental disclosures of cash flow information:
Cash paid for interest	28,419	32,141
Non-cash investing & financing activities:
Reclass of inventory to property and equipment for rental units, net	3,282,512	3,779,877
Equipment acquired under capital lease	495,955
Equipment acquired with long-term debt	40,871
Prepaid expenses financed with long-term debt	95,263	94,311
Disposal of property and equipment	54,638	140,931
Fair value of common stock warrants at issuance		1,917,122
Conversion of cumulative preferred dividends to common stock		33,000
Conversion of convertible preferred stock to common stock		$ 10,620