Condensed Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Allowance for accounts receivable	$ 4,000	$ 4,000
Accumulated depreciation for property and equipment	10,335,026	10,061,563
Accumulated amortization for franchise agreements	1,907,136	1,907,136
Accumulated amortization for loan fees	$ 98,331	$ 96,317
Limited Partners:
Contributed capital, units	19,087	19,087