6. Accounts receivable - Accounts Receivable (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Accounts Receivable Details	$ 376,642	$ 380,043	$ 316,551
Ontario Ministry of Health and Long-Term Care
Accounts Receivable Details	241,275	181,129	219,087
Treatment Program
Accounts Receivable Details	31,839	115,914	97,464
Outpatient Services
Accounts Receivable Details	78,329	59,683
Other Accounts Receivable
Accounts Receivable Details	$ 25,199	$ 23,317