Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ 153,758	$ (1,821,061)	$ 192,897	$ (1,900,014)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Charges incurred in connection with the vesting and issuance of common stock for employee and director compensation	94,891	187,044	220,224	427,497
Change in fair value of warrant liabilities	403,635	(151,759)	(59,498)	(1,888,368)
Depreciation	904,580	552,990	1,738,586	1,116,115
Gain on disposal of property and equipment	(3,600)	(12,003)	(3,600)	(12,003)
Amortization	185,600	258,600	371,200	517,200
Bad debt expense (recoveries), net	15,187	(19,512)	9,058	(41,568)
Provision for deferred tax liability	6,902		13,823
Changes in operating assets and liabilities:
Accounts receivable	1,195,158	(154,980)	1,276,479	32,520
Finance receivables	(6,129)	9,679	24,702	(34,112)
Inventory	(1,249,295)	(832,088)	82,095	(671,290)
Prepaid expenses and other assets	(87,740)	(186,210)	(8,111)	(137,871)
Accounts payable	426,592	(665,491)	311,140	(1,322,043)
Accrued expenses	(117,364)	307,694	(1,568,810)	890,051
Net cash provided by (used in) operating activities	1,922,175	(2,527,097)	2,600,185	(3,023,886)
INVESTING ACTIVITIES:
Purchase of property and equipment	(48,753)	(313,597)	(50,278)	(373,945)
Purchase of property for rental program	(2,466,780)	(821,386)	(4,542,170)	(2,055,994)
Net cash used in investing activities	(2,515,533)	(1,134,983)	(4,592,448)	(2,429,939)
FINANCING ACTIVITIES:
Net proceeds from the issuance (retirement) of common stock and exercise of common stock warrants	(87,315)	(12,041)	(87,315)	(2,031)
Proceeds from (repayments of) line of credit	(337,779)		1,000,000
Repayment of long-term debt	(138,905)	(95,435)	(300,721)	(205,274)
Net cash provided by (used in) financing activities	(563,999)	(107,476)	611,964	(207,305)
Net decrease in cash and cash equivalents	(1,157,357)	(3,769,556)	(1,380,299)	(5,661,130)
Cash and cash equivalents at beginning of period	6,203,703	11,099,937	6,426,645	12,991,511
Cash and cash equivalents at end of period	5,046,346	7,330,381	5,046,346	7,330,381
Supplemental disclosures of cash flow information:
Cash paid for interest	25,519	5,092	51,669	16,800
Equipment and software acquired under capital lease				495,955
Prepaid insurance financed with debt			128,062	90,372
Disposal of property and equipment		75,045		54,638
Reclass of rental program property to inventory	4,068		9,627
Depreciation expense allocated to cost of sales	$ 757,323	$ 467,181	$ 1,433,541	$ 885,674