Stockholders' Equity and Employee Stock Option Plans (Details Textual)		3 Months Ended
	Dec. 07, 2015	Jun. 30, 2013	Dec. 31, 2015 $ / shares shares	Dec. 31, 2014 $ / shares shares	Dec. 31, 2013 shares	Mar. 31, 2013 shares	Dec. 31, 2012 shares
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant			517,505	515,217	457,585	1,546,743	1,346,758
Fungible Share Ratio		1.7
Preferred Stock, Shares Authorized			5,000,000	5,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares			$ 0.01	$ 0.01
Common Stock, Shares Authorized			10,000,000	10,000,000
Common Stock, Par or Stated Value Per Share | $ / shares			$ 0.01	$ 0.01
Common Stock, Shares, Outstanding			4,416,452	4,398,365
Common Stock [Member]
Class of Stock [Line Items]
Reverse stock split ratio	0.1