Global Casinos, Inc. and Subsidiaries - Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Jun. 30, 2011
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Common Stock, Par Value	$ 0.05	$ 0.05
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares Issued	6,798,488	6,420,488
Common Stock, Shares Outstanding	6,798,488	6,420,488
Series A - No Dividends
Preferred Stock, Par Value	$ 2	$ 2
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Preferred Stock, Shares Issued	200,500	200,500
Preferred Stock, Shares Outstanding	200,500	200,500
Series B - 8% Cumulative, Convertible, Non-voting
Preferred Stock, Par Value	$ 10	$ 10
Preferred Stock, Shares Authorized	400,000	400,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Series C - 7% Cumulative, Convertible, Voting
Preferred Stock, Par Value	$ 1.20	$ 1.20
Preferred Stock, Shares Authorized	600,000	600,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Series D - 8% Cumulative, Convertible, Non-voting
Preferred Stock, Par Value	$ 1	$ 1
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	700,000	700,000
Preferred Stock, Shares Outstanding	700,000	700,000
Series E -Convertible, Non-voting
Preferred Stock, Par Value	$ 0.25	$ 0.25
Preferred Stock, Shares Authorized	600,000	600,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0