Deferred tax asset (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net operating losses	$ 53,857	$ 42,337	$ 55,746
ATM credits	1,374	1,374	1,374
Real estate holdings	(15,159)	(13,514)	(38,495)
Notes receivable-d	860	1,726	6,678
Investments	(4,757)	(5,346)	(5,495)
Notes payable -d	16,598	22,966	41,565
Total deferred tax asset	64,143	64,528	87,398
Deferred tax valuation allowance	(64,143)	(64,528)	(87,398)
Net deferred tax asset	$ 0	$ 0	$ 0