NOTE 4 – PROPERTY AND EQUIPMENT

Property and equipment was comprised of the following:

Depreciation expense for the three months ended June 30, 2018 and 2017 was $96,200 and $167,300, respectively and for the six months ended June 30, 2018 and 2017 was $229,300 and $323,700, respectively. For the three months ended June 30, 2018 depreciation expense included in cost of goods sold and selling, general and administrative expenses was $78,000 and $18,200 respectively. For the six months ended June 30, 2018 depreciation expense included in cost of goods sold and selling, general and administrative expenses was $192,500 and $36,800, respectively. For the three months ended June 30, 2017 depreciation expense included in cost of goods sold and selling, general and administrative expenses was $142,600 and $24,700 respectively. For the six months ended June 30, 2017 depreciation expense included in cost of goods sold and selling, general and administrative expenses was $274,700 and $49,000, respectively.

Accumulated depreciation on leased CoronaLux™ units included in accumulated depreciation and amortization above is $249,400 and $381,900 as of June 30, 2018 and 2017, respectively.

Property and equipment included the following amounts for leases that have been capitalized at: