Debt - Additional Information (Detail) - USD ($)										3 Months Ended	9 Months Ended
	Sep. 29, 2017	Aug. 24, 2017	Aug. 23, 2017	Aug. 22, 2017	Aug. 21, 2017	Mar. 31, 2017	Feb. 08, 2017	Feb. 07, 2017	Sep. 06, 2016	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017	Dec. 31, 2016	Sep. 02, 2016
Debt Instrument [Line Items]
Proceeds from short term secured borrowing arrangement											$ 3,000,000
Aggregate principal amount	$ 2,800,000
Proceeds from short term secured borrowing arrangement												$ 1,917,000
Loss on related party debt extinguishment										$ (405,000)	(405,000)
Debt discount										400,000	400,000			$ 1,200,000
Long-term debt, net, carrying amount										1,500,000	1,500,000			2,600,000
Debt issuance costs										100,000	100,000			$ 200,000
Short-term Related Party Loan Extinguishment [Member]
Debt Instrument [Line Items]
Fair value of equity interest exchanged											800,000
Reduction in fair value due to allocation of legal fees and other direct issuance costs											100,000
Loss on related party debt extinguishment											100,000
Long-term Related Party Loan Extinguishment [Member]
Debt Instrument [Line Items]
Reduction in fair value due to allocation of legal fees and other direct issuance costs											100,000
Loss on related party debt extinguishment											400,000
Debt discount										400,000	400,000
Long-term debt, net, carrying amount										1,500,000	1,500,000
Debt issuance costs										$ 100,000	100,000
Fair value of equity interest transferred											$ 2,000,000
Series B 10% Convertible Preferred Stock [Member]
Debt Instrument [Line Items]
Preferred stock, dividend rate	10.00%
William W. and Dieva L. Smith [Member] | Short-term Indebtedness [Member] | Series B 10% Convertible Preferred Stock [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 800,000
Preferred stock, shares issued upon convertible debt	750
William W. and Dieva L. Smith [Member] | Note and Warrant Purchase Agreement [Member] | Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount															$ 2,000,000
William W. and Dieva L. Smith [Member] | Long-term Indebtedness [Member] | Series B 10% Convertible Preferred Stock [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 2,000,000
Preferred stock, shares issued upon convertible debt	2,000
William W. and Dieva L. Smith [Member] | Secured Promissory Note [Member]
Debt Instrument [Line Items]
Proceeds from short term secured borrowing arrangement								$ 1,000,000
Interest rate per annum								18.00%
Notes due date											Mar. 24, 2017
Debt instrument extended maturity date											Jun. 26, 2017
Proceeds from short term secured borrowing arrangement								$ 1,000,000
William W. and Dieva L. Smith [Member] | Secured Promissory Note [Member] | New Short-term Secured Borrowing Arrangement [Member]
Debt Instrument [Line Items]
Interest rate per annum			12.00%										12.00%
Notes due date			Jan. 25, 2018	Jan. 25, 2018	Sep. 25, 2017						Sep. 25, 2017
Aggregate principal amount													$ 1,000,000
Notes due date, description											The maturity date of the Replacement Note entered into with Smith may be extended by up to 180 days upon the mutual consent of the Company and Smith. Each of the Replacement Notes are secured by the Company’s accounts receivable and certain other assets.
Proceeds from short term secured borrowing arrangement			$ 800,000
Steven L. and Monique P. Elfman [Member] | Secured Promissory Note [Member]
Debt Instrument [Line Items]
Proceeds from short term secured borrowing arrangement							$ 1,000,000
Interest rate per annum							18.00%
Notes due date											Mar. 24, 2017
Proceeds from short term secured borrowing arrangement							$ 1,000,000
Steven L. and Monique P. Elfman [Member] | Secured Promissory Note [Member] | New Short-term Secured Borrowing Arrangement Matured on June 23, 2017 [Member]
Debt Instrument [Line Items]
Proceeds from short term secured borrowing arrangement						$ 1,000,000
Notes due date											Jun. 23, 2017
Proceeds from short term secured borrowing arrangement						$ 1,000,000
Steven L. and Monique P. Elfman [Member] | Secured Promissory Note [Member] | New Short-term Secured Borrowing Arrangement [Member]
Debt Instrument [Line Items]
Interest rate per annum													12.00%
Notes due date				Jan. 25, 2018	Sep. 25, 2017						Sep. 25, 2017
Aggregate principal amount													$ 1,000,000
Andrew Arno [Member] | Short-term Indebtedness [Member] | Series B 10% Convertible Preferred Stock [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 100,000
Preferred stock, shares issued upon convertible debt	50
Andrew Arno [Member] | Secured Promissory Note [Member] | New Short-term Secured Borrowing Arrangement [Member]
Debt Instrument [Line Items]
Interest rate per annum		12.00%
Notes due date		Jan. 31, 2018
Aggregate principal amount		$ 300,000
Proceeds from short term secured borrowing arrangement		$ 300,000
Unterberg Koller Capital Fund L.P. and William W. and Dieva L. Smith [Member] | Note and Warrant Purchase Agreement [Member] | Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Interest rate per annum									10.00%
Notes due date									Sep. 06, 2019
Aggregate principal amount															$ 4,000,000
Notes maturity period									3 years