Summary of Significant Accounting Policies - Additional Information (Detail)						1 Months Ended	3 Months Ended								12 Months Ended
	Feb. 14, 2015 USD ($)	Sep. 27, 2014 USD ($)	May. 29, 2014 shares	Aug. 09, 2013 USD ($)	Mar. 11, 2013	Jul. 31, 2012 Patents	Dec. 31, 2015 USD ($)	Sep. 26, 2015 USD ($)	Jun. 27, 2015 USD ($)	Mar. 28, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 27, 2014 USD ($)	Jun. 28, 2014 USD ($)	Mar. 29, 2014 USD ($)	Dec. 31, 2015 USD ($) Customer $ / shares	Dec. 31, 2014 USD ($) Customer $ / shares	Dec. 31, 2013 USD ($) $ / shares	Jun. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Accumulated deficit							$ (290,970,000)				$ (282,368,000)				$ (290,970,000)	$ (282,368,000)
Incurred net loss							2,402,000	$ 2,373,000	$ 2,409,000	$ 1,418,000	2,849,000	$ 2,412,000	$ 55,000	$ 2,935,000	8,602,000	8,251,000	$ 12,173,000
Negative cash flows from operations															(8,484,000)	(10,025,000)	(8,299,000)
Cash and cash equivalents							7,469,000				$ 1,238,000				7,469,000	1,238,000	7,459,000		$ 3,634,000
Net proceeds from offering after deducting placement agent fees and offering expenses	$ 1,700,000			$ 12,000,000											$ 14,900,000
Reverse stock split ratio					0.0833
Reverse stock split of preferred stock															1-for-12 reverse stock split
Cash and cash equivalents maximum original maturity															3 months
Contract revenue															$ 0
Product warranty period, Minimum															1 year
Product warranty period, Maximum															5 years
Other income or expense disposals															$ 99,000	8,000,000
Gain on sale of property and equipment															$ 1,000	96,000
Impairment of patents																	$ 93,000
Proceeds from sale of minority interest																$ 3,327,000
Net proceeds from sale of minority interest				$ 10,900,000
Minimum percentage of tax benefit realized															50.00%
Liabilities for uncertain tax positions							$ 0								$ 0
Interest or penalties on uncertain tax positions															$ 0
Stock compensation impact on basic and diluted net loss per common share | $ / shares															$ 0.11	$ 0.07	$ 0.07
Stock compensation cost capitalized															$ 0	$ 0	$ 0
Number of major customers | Customer															2	2
Furniture and Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful life															7 years
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Customer concentration risk percentage															70.00%	52.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Customer concentration risk percentage															10.00%	31.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Customer concentration risk percentage															40.00%	95.00%
Minimum [Member] | Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful life															3 years
Maximum [Member] | Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful life															5 years
Earliest Tax Year [Member]
Summary Of Significant Accounting Policies [Line Items]
Open tax year															2012
Resonant LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of patents contributed | Patents						14
Percentage of interest in Resonant																		30.00%
Net value of assets contributed included in Other assets																		$ 185,000
Equity interest, fair value																	$ 185,000
Recognized gain for the exchange of net equity interest															$ 0
Percentage converted shares in outstanding shares			10.20%
Trading date of converted common shares															May 29, 2014
Converted common shares trading restriction period			12 months
Proceeds from sale of minority interest		$ 3,600,000
Net proceeds from sale of minority interest		$ 3,300,000
Resonant LLC [Member] | Convertible Subordinated Debt [Member]
Summary Of Significant Accounting Policies [Line Items]
Value of subordinated convertible notes issued in exchange of equity interest in Resonant																		$ 2,400,000
Number of common shares converted from convertible notes | shares			700,000
Patents and Licenses [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives															17 years