Related party transactions (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2009	Mar. 21, 2009	Nov. 20, 2007	Jul. 01, 2006
Related party transactions
Company made an unsecured loan to ERC in millions							$ 1.4
Annual interest rate of unsecured loan to ERC							8.00%
Balance of the two notes and accrued interest (rate of interest 2%)					3,970,897
Company made a loan to PIAMI						630,000
Company made additional net advances on the loan to PIAMI in millions		360,000				6.3
Balance due including accrued interest PIAMI in millions				11.1
Outstanding principal and interest in millions			10.4
Payments from PIAMI		715,000
The Company and several other defendants settled a lawsuit	225,000
Paid the entire amount and has a note receivable from one of the other defendants	112,500
The company has recorded a reserve of $million (the full balance) for the combined note.		10
Company paid to a consultant and was reimbursed by Arcadian for a portion of his services.	48,800
Company incurred obligations to Pillar totaling to which was reduced by Prime by a like amount approximately $ million	1.6
Company incurred obligations to Pillar totaling approximately $ million		1.7
Pillar agreed to relieve the Company of its obligation to pay $ million		1.7
Company recorded a gain on the transaction $ million		1.7
Pillar incurred expenses on behalf of the Company and agreed to forego payment in exchange for a reduction in the PIAMI obligation		376,000
The Company recorded an additional gain.		$ 376,000