CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows operating activities:
Net income (loss).	$ 50,413	$ 286,839
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Change in fair value of warrant liability.	136,258	0
Share-based compensation	128,024	226,490
Realized and unrealized loss (gain) on marketable securities	39,432	(328,217)
Depreciation and amortization.	34,011	36,094
Bad debt expense	0	103,710
Deferred rent..	(16,581)	0
Changes in operating assets and liabilities:
Accounts receivable.	(185,257)	2,714,549
Inventories.	(61,519)	1,102,098
Prepaid expenses and other current assets.	11,461	44,658
Accounts payable.	(398,989)	(3,171,903)
Accrued expenses and other current liabilities.	9,337	(1,219,221)
Net cash provided by (used in) operating activities	(253,410)	(204,903)
Investing activities:
Purchases of marketable securities	(5,398,477)	(38,496,126)
Proceeds from sales of marketable securities	5,213,665	38,146,602
Purchases of property and equipment	(15,206)	(29,510)
Net cash (used in) provided by investing activities	(200,018)	(379,034)
Financing activities:
Dividends paid on senior convertible preferred stock	(38,145)	0
Net cash provided by financing activities	(38,145)	0
Net increase (decrease) in cash and cash equivalents	(491,573)	(583,937)
Cash and cash equivalents at beginning of period	6,616,995	4,608,246
Cash and cash equivalents at end of period	6,125,422	4,024,309
Supplemental Disclosures of Cash Flow Information:
cash paid for Income taxes	0	507
Supplemental Disclosure of Non-Cash Financing Activities:
Preferred stock accretion,	58,326	0
Reclassification of warrant liability	$ 629,381	$ 0