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Summary of Significant Accounting Policies; Prior Period Reclassification - Additional Information (Detail)					1 Months Ended	12 Months Ended
	Oct. 31, 2020	Oct. 14, 2020	Oct. 06, 2020 USD ($)	Oct. 06, 2019 USD ($)	Feb. 01, 2020 USD ($) Customer shares	Jan. 30, 2021 USD ($) Segment Customer shares	Dec. 31, 2019 USD ($) shares	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Maturity of cash equivalents						90 days
Deposits with certain financial institutions					$ 1,526,000	$ 1,573,000
Accounts receivable, allowance for doubtful accounts					17,000	6,000
Inventory write-downs					41,000	$ 493,000	$ 540,000
Number of operating segments \| Segment						2
Impairment of goodwill and intangible assets			$ 0	$ 0
Intangible assets impairment charges related to discontinued operation							630,000
Advertising expense					$ 3,000	$ 410,000	$ 89,000
Percentage of tax benefit likely to being realized upon settlement						50.00%
Uncertain tax positions						$ 0
Anti-dilutive securities excluded from computation of earnings (loss) per share \| shares					2,128,000	2,968,000	493,700
Reverse stock split description	one-for-ten reverse stock split	one-for-ten reverse split
Reverse stock split, conversion ratio	0.1	0.1
Right-of-use assets					$ 8,760,000	$ 9,121,000
ASU 2016-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Right-of-use assets								$ 4,642,000
ASU 2016-02 [Member] \| Discontinued Operations [Member]
Summary Of Significant Accounting Policies [Line Items]
Right-of-use assets								$ 304,000
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage							52.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage							19.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage							14.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					10.00%	10.00%
Number of customers \| Customer					0	0
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					10.00%	10.00%
Number of customers \| Customer					3	2
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					47.00%	71.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					19.00%	14.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					10.00%
Apple Products [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of product sales						74.00%	70.00%
Preferred Shares [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive securities excluded from computation of earnings (loss) per share \| shares					1,003,000		2,635,000
In The Money Warrants [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive securities excluded from computation of earnings (loss) per share \| shares					1,003,000		2,635,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment						3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment						5 years
Argentina [Member] \| OneClick [Member]
Summary Of Significant Accounting Policies [Line Items]
Loss on foreign currency translations and transactions							$ 384,000