Condensed Consolidated Statements of Financial Condition (USD $)	Dec. 31, 2012	Sep. 30, 2012
Cash and cash equivalents	$ 7,444,000	$ 7,934,000
Deposit with clearing organizations	1,107,000	1,107,000
Receivables from broker dealers and clearing organizations	2,590,000	3,650,000
Other receivables, net of allowance for uncollectible accounts	341,000	147,000
Advances to registered representatives - Current portion	372,000	249,000
Securities owned: marketable – at market value	653,000	696,000
Securities owned: nonmarketable – at fair value	482,000	56,000
Other assets	854,000	520,000
Total Current Assets	13,843,000	14,359,000
Advances to registered representatives - Long term portion	461,000	641,000
Fixed assets, net	558,000	662,000
Intangible assets, net	311,000	466,000
Other assets	338,000	461,000
Total Assets	15,511,000	16,589,000
Current Liabilities
Accounts payable, accrued expenses and other liabilities	10,323,000	11,297,000
Payable to broker dealers and clearing organizations	34,000	119,000
Securities sold, but not yet purchased, at market	3,000	1,000
Convertible notes payable	6,800,000	6,800,000
Subordinated borrowings - Related party	1,000,000	1,000,000
Total Current Liabilities	18,160,000	19,217,000
Accrued expenses and other liabilities - Long term portion	280,000	263,000
Total Liabilities	18,440,000	19,480,000
National Holdings Corporation Stockholders' Deficit
Common stock, $.02 par value, 150,000,000 shares authorized; 26,567,193 shares issued and outstanding at December 31, 2012 andSeptember 30, 2012	531,000	531,000
Additional paid-in capital	46,184,000	46,184,000
Accumulated deficit	(55,821,000)	(55,780,000)
Total National Holdings Corporation Stockholders' Deficit	(2,950,000)	(2,909,000)
Non Controlling Interest	21,000	18,000
Total Stockholders' Deficit	(2,929,000)	(2,891,000)
Total Liabilities and Stockholders' Deficit	15,511,000	16,589,000
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