XML 38 R23.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Schedule II - Valuation And Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure | SCH EDULE II VALUATION AND QUALIFYING ACCOUNTS ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Beginning |  |  |  |  |  |  |  | Ending
﻿ |  | Balance |  | Additions |  | Deductions |  | Balance
﻿Reserve for sales returns and allowances |  |  |  |  |  |  |  |  |  |  |  |
﻿Year ended December 31, 2017 |  | $ | 834 |  | $ | 441 |  | $ | 106 |  | $ | 1,169
﻿Year ended December 31, 2016 |  |  | 207 |  |  | 634 |  |  | 7 |  |  | 834
﻿Year ended December 31, 2015 |  |  | 135 |  |  | 78 |  |  | 6 |  |  | 207
﻿Allowance for inventory valuation |  |  |  |  |  |  |  |  |  |  |  |
﻿Year ended December 31, 2017 |  | $ | 1,080 |  | $ | 1,004 |  | $ | 1,195 |  | $ | 889
﻿Year ended December 31, 2016 |  |  | 843 |  |  | 1,692 |  |  | 1,455 |  |  | 1,080
﻿Year ended December 31, 2015 |  |  | 522 |  |  | 720 |  |  | 399 |  |  | 843
﻿Valuation allowance for deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |
﻿Year ended December 31, 2017 |  | $ | 81,982 |  | $ | — |  | $ | 15,009 |  | $ | 66,973
﻿Year ended December 31, 2016 |  |  | 73,682 |  |  | 8,300 |  |  | — |  |  | 81,982
﻿Year ended December 31, 2015 |  |  | 59,554 |  |  | 14,128 |  |  | — |  |  | 73,682
﻿

X
- 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
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration