Goodwill and Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended						12 Months Ended		12 Months Ended				0 Months Ended	1 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]	Jun. 30, 2014 Ionia [Member] Minimum [Member]	Jun. 30, 2014 Ionia [Member] Maximum [Member]	Dec. 31, 2013 Customer Backlog [Member] Maximum [Member]	Jun. 30, 2014 Customer Backlog [Member] Ionia [Member]	Dec. 31, 2013 Documented Know-how [Member] Maximum [Member]	Jun. 30, 2014 Documented Know-how [Member] Ionia [Member]	Jun. 30, 2014 Trade names [Member] Ionia [Member]	Jun. 30, 2014 Customer Relationships [Member] Ionia [Member]	Nov. 06, 2013 Technology [Member]	May 31, 2014 Technology [Member]	Dec. 31, 2013 Technology [Member] Minimum [Member]	Dec. 31, 2013 Technology [Member] Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired										$ 120,000		$ 280,000	$ 10,000	$ 1,340,000
Intangible assets, estimated useful life					4 months	7 years	4 months	7 years	4 months		4 years						3 years	6 years
Asset purchased															11,500,000
Estimated useful life period															5 years
Payment for software																500,000
Internally developed software	413,000	317,000	905,000	556,000												400,000
Expenses related to technology																100,000
Total amortization of intangible assets	$ 1,500,000	$ 633,000.0	$ 2,500,000	$ 1,200,000