|
Note 13 - Quarterly Results of Operations (Unaudited) (Detail) (USD $)
|
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Impairment of Intangible Assets (Excluding Goodwill) | $ 383,000 | $ 383,000 | |||
| Inventory Write-down | (471,000) | 3,121,000 | 359,000 | ||
| Provision for Doubtful Accounts | 1,200,000 | 370,000 | 1,574,000 | 324,000 | |
| Weighted Average Number of Shares Outstanding, Basic and Diluted (in Shares) | 28,284,268 | 28,563,341 | 25,767,483 | 23,685,338 | |
|
Inventory Deemed Unsellable [Member]
|
|||||
| Inventory Write-down | 1,400,000 | ||||
|
Merchandise Credits and Certain Prepayments to Suppliers for Inventory [Member]
|
|||||
| Inventory Write-down | 1,000,000 | ||||
|
Write-Off of Uncollectible Amounts[Member]
|
|||||
| Provision for Doubtful Accounts | 475,000 | ||||
|
Increase In Allowance For Doubtful Accounts [Member]
|
|||||
| Provision for Doubtful Accounts | 725,000 | ||||
|
Inventory Valuation Reserve [Member]
|
|||||
| Valuation Allowances and Reserves, Period Increase (Decrease) | $ 2,400,000 | ||||