XML 20 R9.htm IDEA: XBRL DOCUMENT
v3.21.1

Inventories | 3 Months Ended
--- | ---
Mar. 31, 2021
Inventory Disclosure [Abstract] |
Inventories | NOTE 2. INVENTORIES Inventories consisted of the following at March 31, 2021 and December 31, 2020:
|  | March 31, 2021 |  |  | December 31, 2020 |
Raw material and component parts |  | $ | 3,141,836 |  |  | $ | 3,186,426 |
Work-in-process |  |  | 7,670 |  |  |  | 1,907 |
Finished goods |  |  | 8,128,666 |  |  |  | 6,974,291 |
Subtotal |  |  | 11,278,172 |  |  |  | 10,162,625 |
Reserve for excess and obsolete inventory |  |  | (2,388,256 | ) |  |  | (1,960,351 | )
Total inventories |  | $ | 8,889,916 |  |  | $ | 8,202,274 |
Finished goods inventory includes units held by potential customers and sales agents for test and evaluation purposes. The cost of such units totaled $107,729 and $138,263 as of March 31, 2021 and December 31, 2020, respectively.

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

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration