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Accounts payable and accrued expenses | 3 Months Ended
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Mar. 31, 2018
Payables and Accruals [Abstract] |
Accounts payable and accrued expenses | Accounts payable and accrued expenses Accounts payable and accrued expenses are as follows:
| March 31, 2018 |  | December 31, 2017
Outstanding checks in excess of cash | $ | 1,974 |  |  | 8,879 |
Accounts payable, trade | 897,525 |  |  | 810,034 |
Accrued expenses | 334,879 |  |  | 363,919 |
Product warranties | 40,456 |  |  | 39,035 |
Accrued interest | 8,155 |  |  | 22,363 |
Accrued compensation and benefits | 181,004 |  |  | 207,442 |
Total accounts payable and accrued expenses | $ | 1,463,993 |  |  | 1,451,672 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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