XML 35 R26.htm IDEA: XBRL DOCUMENT
v3.3.1.900

3. Inventories (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Inventories Tables |  |
Inventories consist |
Inventories consist of: |  | September 30, 2015 |  |  | December 31, 2014 |
Materials |  | $ | 468,578 |  |  | $ | 332,804 |
Work in process |  |  | 22,383 |  |  |  | –– |
Finished goods (including $142,600 and $85,600 held by customers at September 30, 2015 and December 31, 2014, respectively) |  |  | 896,848 |  |  |  | 1,391,703 |
Total |  | $ | 1,387,809 |  |  | $ | 1,724,507 |
|  | 2013 |  |  | 2014 |
Materials |  | $ | 440,723 |  |  | $ | 332,804 |
Finished goods (including $304,500 and $85,600 held by customers at December 31, 2013 and 2014, respectively) |  |  | 1,273,358 |  |  |  | 1,391,703 |
Total |  | $ | 1,714,081 |  |  | $ | 1,724,507 |

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

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration