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Note 10 - Reserves | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] |
1 0 . | RESERVES
Allowance for doubtful accounts for 2017 and 2016 were as follows:
Description |  | Balance at Beginning of Year |  |  | Increase |  |  | Decrease |  |  | Balance at End of Year |
(in thousands) |
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 57 |  |  | $ | - |  |  | $ | (17 | ) |  | $ | 40 |
2016 |  | $ | 319 |  |  | $ | 578 |  |  | $ | (840 | ) |  | $ | 57 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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