Debt and related party transactions.

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Debt instrument extended maturity date.

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Fair value of equity interest exchanged.

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Fair value of equity interest transferred.

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Proceeds from short term related party debt.

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Reduction in fair value due to allocation of legal fees and other direct issuance costs.

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Number of shares issued for each share of convertible preferred stock that is converted.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Amount of the total principal payments made during the annual reporting period.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of debt discount to be amortized after one year or the normal operating cycle, if longer.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The percentage rate used to calculate dividend payments on preferred stock.

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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Debt and Related Party Transactions - Additional Information (Detail) - USD ($)													12 Months Ended
	Mar. 06, 2018	Jan. 30, 2018	Jan. 29, 2018	Sep. 29, 2017	Aug. 24, 2017	Aug. 23, 2017	Aug. 18, 2017	Aug. 17, 2017	Mar. 31, 2017	Feb. 08, 2017	Feb. 07, 2017	Sep. 06, 2016	Dec. 31, 2018	Dec. 31, 2017	Nov. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Sep. 02, 2016
Debt and Related Party Transactions [Line Items]
Aggregate principal amount																$ 2,800,000
Gain (loss) on related party debt extinguishment													$ (203,000)	$ (405,000)
Long-term debt, net, carrying amount														3,800,000
Debt issuance costs														100,000
Debt discount														$ 400,000
Short-term Related Party Loan Extinguishment [Member]
Debt and Related Party Transactions [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
Gain (loss) on related party debt extinguishment													100,000
Long-term Related Party Loan Extinguishment [Member]
Debt and Related Party Transactions [Line Items]
Reduction in fair value due to allocation of legal fees and other direct issuance costs													100,000
Fair value of equity interest transferred													2,000,000
Long-term debt, net, carrying amount													1,500,000
Debt issuance costs													100,000
Debt discount													$ 400,000
Series B 10% Convertible Preferred Stock [Member]
Debt and Related Party Transactions [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 and Related Party Transactions [Line Items]
Aggregate principal amount				$ 800,000
Preferred stock, shares issued upon convertible debt				750
William W. and Dieva L. Smith [Member] \| Long-term Indebtedness [Member] \| Series B 10% Convertible Preferred Stock [Member]
Debt and Related Party Transactions [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 and Related Party Transactions [Line Items]
Proceeds from short term secured borrowing arrangement											$ 1,000,000
Interest rate per annum											18.00%
Notes due date		Jul. 25, 2018	Jun. 26, 2017										Mar. 24, 2017
Debt instrument extended maturity date	Mar. 25, 2020												Jun. 26, 2017
William W. and Dieva L. Smith [Member] \| Secured Promissory Note [Member] \| New Short-term Secured Borrowing Arrangement [Member]
Debt and Related Party Transactions [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 were 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 and Related Party Transactions [Line Items]
Proceeds from short term secured borrowing arrangement										$ 1,000,000
Interest rate per annum											18.00%
Notes due date		Feb. 11, 2018	Aug. 18, 2017										Mar. 24, 2017
Steven L. and Monique P. Elfman [Member] \| Secured Promissory Note [Member] \| New Short-term Secured Borrowing Arrangement Matured on June 23, 2017 [Member]
Debt and Related Party Transactions [Line Items]
Proceeds from short term secured borrowing arrangement									$ 1,000,000
Notes due date													Jun. 23, 2017
Steven L. and Monique P. Elfman [Member] \| Secured Promissory Note [Member] \| New Short-term Secured Borrowing Arrangement [Member]
Debt and Related Party Transactions [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 and Related Party Transactions [Line Items]
Aggregate principal amount				$ 100,000
Preferred stock, shares issued upon convertible debt				50
Andrew Arno [Member] \| Secured Promissory Note [Member]
Debt and Related Party Transactions [Line Items]
Notes due date		Jul. 25, 2018	Aug. 24, 2017
Debt instrument extended maturity date	Mar. 25, 2020
Andrew Arno [Member] \| Secured Promissory Note [Member] \| New Short-term Secured Borrowing Arrangement [Member]
Debt and Related Party Transactions [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
Next Generation TC FBO Andrew Arno IRA 1663 [Member] \| Secured Promissory Note [Member]
Debt and Related Party Transactions [Line Items]
Notes due date		Jul. 25, 2018	Aug. 24, 2017
Debt instrument extended maturity date	Mar. 25, 2020
Unterberg Koller Capital Fund L.P. and William W. and Dieva L. Smith [Member] \| Long-term Related Party Loan Extinguishment [Member] \| Senior Subordinated Notes [Member]
Debt and Related Party Transactions [Line Items]
Gain (loss) on related party debt extinguishment													$ (200,000)
Repayment of long-term note															$ 2,000,000
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 and Related Party Transactions [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