Consolidated Statements of Financial Condition (USD $)	Mar. 31, 2012	Sep. 30, 2011
Cash	$ 8,953,000	$ 6,698,000
Deposit with clearing organizations	1,107,000	1,157,000
Receivables from broker dealers and clearing organizations	3,521,000	2,714,000
Other receivables, net of allowance for uncollectible accounts of $419,000 and $310,000, respectively	289,000	299,000
Advances to registered representatives - Current portion	447,000	719,000
Securities owned: marketable – at market value	880,000	454,000
Securities owned: nonmarketable – at fair value	58,000	24,000
Other assets	775,000	647,000
Total Current Assets	16,030,000	12,712,000
Advances to registered representatives - Long term portion	312,000	233,000
Fixed assets, net	779,000	974,000
Intangible assets, net	776,000	1,087,000
Investment in unconsolidated joint venture		1,051,000
Other assets	315,000	304,000
Total Assets	18,212,000	16,361,000
LIABILITIES AND STOCKHOLDERS' DEFICIT
Accounts payable, accrued expenses and other liabilities	14,594,000	10,754,000
Payable to broker dealers and clearing organizations	157,000	139,000
Securities sold, but not yet purchased, at market		2,000
Convertible notes payable, net of debt discount of $49,000 and $247,000, respectively	6,051,000	5,753,000
Total Current Liabilities	20,802,000	16,648,000
Accrued expenses and other liabilities - Long term portion	1,161,000	1,078,000
Total Liabilities, before subordinated borrowings and other liabilities	21,963,000	17,726,000
Subordinated borrowings	40,000	100,000
Total Liabilities	22,003,000	17,826,000
National Holdings Corporation Stockholders' Deficit
Common stock, $.02 par value, 150,000,000 shares authorized; 26,088,530 and 17,276,704 shares issued and outstanding at March 31,2012 and September 30, 2011, respectively	522,000	409,000
Additional paid-in capital	46,128,000	45,066,000
Accumulated deficit	(56,612,000)	(53,128,000)
Total National Holdings Corporation Stockholders' Deficit	(3,806,000)	(1,497,000)
Non Controlling Interest	15,000	32,000
Total Liabilities and Stockholders' Deficit	18,212,000	16,361,000
Cumulative Preferred Stock Series A [Member]
National Holdings Corporation Stockholders' Deficit
Preferred Stock
Cumulative Preferred Stock Series C and D [Member]
National Holdings Corporation Stockholders' Deficit
Preferred Stock	$ 6,156,000	$ 6,156,000