Related-Party Transactions (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Accounts receivable from affiliates:
Accounts receivable from affiliates	$ 15,000	$ 5,000
Accounts payable to affiliates:
Total accounts payable to affiliates	(1,055,000)	(1,017,000)
Net accounts payable to affiliates	(1,040,000)	(1,012,000)
Re Max Of Texas Advertising Fund
Accounts receivable from affiliates:
Accounts receivable from affiliates	(1,000)	(6,000)
International Advertising Fund
Accounts receivable from affiliates:
Accounts receivable from affiliates	(1,000)	(10,000)
Other Affiliates
Accounts receivable from affiliates:
Accounts receivable from affiliates	17,000	21,000
Accounts payable to affiliates:
Total accounts payable to affiliates	$ (1,055,000)	$ (1,017,000)