Commitments and Contingencies (Details) (USD $)	0 Months Ended	12 Months Ended
	Aug. 02, 2013 sqft	Dec. 31, 2013 sqft	Dec. 31, 2012	Dec. 31, 2011
Leases [Abstract]
Area of property under long-term operating lease (in square feet)		27,760
Period of operating lease	2 years	7 years
Period to be lapsed for cancelling lease		5 years
Penalty payment		$ 142,000
Revised facility area	20,767
Savings as a result of revised facility area	382,000
Percentage of annual rent to be paid for cancelling lease (in hundredths)		50.00%
Rent expenses under the operating leases		638,000	447,000	460,000
Summary of total minimum lease payments [Abstract]
2014		174,000
2015		152,000
2016		22,000
2017		21,000
Thereafter		68,000
Total		437,000
Royalty Agreement [Abstract]
Term of royalty agreement		8 years
Aggregate amount payable towards royalty		7,000,000
Royalty expense		530,000	1,400,000	1,300,000
Credit of royalty expense		270,000
Summary of total royalty payments under the agreement[Abstract]
2014		800,000
2015		800,000
2016		575,000
2017		575,000
2018		575,000
Total royalty payments		$ 3,325,000