Summary of Significant Accounting Policies - Additional Information (Detail)
shares in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
Customer
Manufacturer
shares
|
Dec. 31, 2015
USD ($)
Customer
shares
|
Dec. 31, 2014
USD ($)
Customer
shares
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Maturity of cash equivalents |
90 days
|
|
|
| Deposits with certain financial institutions |
$ 1,900,000
|
$ 2,200,000
|
|
| Accounts receivable, allowance for doubtful accounts |
113,000
|
95,000
|
|
| Inventory net of write-downs |
84,000
|
276,000
|
|
| Prepaid inventory balances included in prepaid assets |
1,112,000
|
1,232,000
|
|
| Impairment of long-lived assets |
0
|
0
|
$ 0
|
| Advertising expense |
$ 252,000
|
$ 992,000
|
$ 745,000
|
| Percentage of tax benefit likely to being realized upon settlement |
50.00%
|
|
|
| Uncertain tax positions |
$ 0
|
|
|
| Years under examination, description |
Company are subject to IRS examination for the 2004 through 2016 tax years
|
|
|
| Anti-dilutive securities excluded from computation of earnings per share | shares |
514,000
|
20,000
|
0
|
| Number of manufactures | Manufacturer |
18
|
|
|
| Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Supplier One [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
42.00%
|
16.00%
|
38.00%
|
| 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%
|
15.00%
|
14.00%
|
| Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Major Supplier Three [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
17.00%
|
12.00%
|
12.00%
|
| Supplier Concentration Risk [Member] | Cost of Goods, Product Line [Member] | Major Supplier One [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
42.00%
|
|
|
| Supplier Concentration Risk [Member] | Cost of Goods, Product Line [Member] | Major Supplier Two [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
19.00%
|
|
|
| Supplier Concentration Risk [Member] | Cost of Goods, Product Line [Member] | Major Supplier Three [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
17.00%
|
|
|
| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
10.00%
|
10.00%
|
10.00%
|
| Number of customers | Customer |
4
|
3
|
3
|
| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer One [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
20.00%
|
18.00%
|
25.00%
|
| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer Two [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
19.00%
|
15.00%
|
13.00%
|
| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer Three [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
14.00%
|
10.00%
|
11.00%
|
| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer Four [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
14.00%
|
|
|
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer One [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
32.00%
|
35.00%
|
25.00%
|
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Two [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
0.00%
|
16.00%
|
19.00%
|
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Three [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
2.00%
|
16.00%
|
14.00%
|
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Four [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
30.00%
|
|
|
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer Five [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Concentration Risk, Percentage |
14.00%
|
|
|
| In The Money Option [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Anti-dilutive securities excluded from computation of earnings per share | shares |
562,000
|
1,237,000
|
|
| Earliest Tax Year [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Open tax year |
2004
|
|
|
| Latest Tax Year [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Open tax year |
2016
|
|
|
| Minimum [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Estimated useful lives of property and equipment |
18 months
|
|
|
| State income tax |
3 years
|
|
|
| Maximum [Member] |
|
|
|
| Summary Of Significant Accounting Policies [Line Items] |
|
|
|
| Estimated useful lives of property and equipment |
7 years
|
|
|
| State income tax |
4 years
|
|
|