CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income (loss).	$ 42,136	$ (6,365,983)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Realized loss on marketable securities.	374,160	0
Share-based compensation	333,236	124,195
Depreciation and amortization.	55,634	82,657
Bad debt expense	59,915	26,311
Loss on disposal of property and equipment.	0	35,411
Changes in operating assets and liabilities:
Accounts receivable.	1,277,001	(3,324,422)
Inventories.	1,188,894	(2,270,600)
Prepaid expenses and other current assets.	222,475	120,614
Other assets.	0	61,115
Accounts payable.	(1,735,053)	1,553,434
Accrued expenses and other current liabilities.	(1,220,634)	1,285,019
Net cash provided by (used in) operating activities	597,764	(8,672,249)
Investing activities:
Repayments received from note receivable	0	1,000,000
Purchases of marketable securities	(54,984,355)	0
Proceeds from sales of marketable securities	54,648,823	0
Purchases of property and equipment	(39,686)	(54,057)
Net cash (used in) provided by investing activities	(375,218)	945,943
Financing activities:
Proceeds from the issuance of convertible preferred stock and warrants, net	180,808	0
Net cash provided by financing activities	180,808	0
Net increase (decrease) in cash and cash equivalents	403,354	(7,726,306)
Cash and cash equivalents at beginning of period	4,608,246	14,911,844
Cash and cash equivalents at end of period	5,011,600	7,185,538
Supplemental Disclosures of Cash Flow Information:
cash paid for Income taxes	507	0
Supplemental Disclosure of Non-Cash Financing Activities:
Receivable from issuance of convertible preferred stock and warrants	$ 499,995	$ 0