Summary of significant accounting policies (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Series A Convertible Preferred Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	9,845		9,845
Weighted Average Number Diluted Shares Outstanding Adjustment		15,748		15,748
Warrrant [Member]
Summary Of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,020,829		1,020,829
Weighted Average Number Diluted Shares Outstanding Adjustment		1,534,321		1,534,321
Restricted Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	130,000		130,000
Weighted Average Number Diluted Shares Outstanding Adjustment		176,667		176,667