XML 35 R22.htm IDEA: XBRL DOCUMENT
v3.5.0.2

FOREIGN SALES AND SIGNIFICANT CUSTOMERS (Notes) | 12 Months Ended
--- | ---
Jun. 30, 2016
Foreign Sales and Significant Customers [Abstract] |
Foreign Sales and Significant Customers | The Company’s net foreign sales amounted to $10,504,583 during 2016 and $7,450,744 during 2015. The Company’s sales by country were as follows:
|  | 2016 |  | 2015
United States |  | $ | 15,496,763 |  |  | $ | 16,779,312 |
Sweden |  | 4,322,582 |  |  | 3,677,225 |
Czech Republic |  | 1,231,731 |  |  | 441,754 |
Hong Kong |  | 1,121,609 |  |  | — |
People's Republic of China |  | 969,848 |  |  | 193,374 |
Malaysia |  | 669,782 |  |  | 262,600 |
Canada |  | 400,672 |  |  | 498,026 |
All other countries |  | 1,788,359 |  |  | 2,377,765 |
Net sales |  | $ | 26,001,346 |  |  | $ | 24,230,056 |
Sales during 2016 and 2015 to the Company's five largest customers, which are generally large national retailers or foreign distributors, represented approximately 47% and 45% of the Company's net sales, respectively. Included in these percentages were sales to a single Scandinavian distributor which represented approximately 17% and 15% of the Company's net sales during 2016 and 2015, respectively. Net sales to a single United States customer represented approximately 11% and 8% of the Company's net sales during 2016 and 2015, respectively.

X
- Definition Foreign Sales and Significant Customers [Abstract] + References No definition available. + Details
Name: | koss_ForeignSalesAndSignificantCustomersAbstract
Namespace Prefix: | koss_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign Sales and Significant Customers [Text Block] + References No definition available. + Details
Name: | koss_ForeignSalesandSignificantCustomersTextBlock
Namespace Prefix: | koss_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration