4. Property and Equipment |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property and Equipment |
At September 30, 2017 and December 31, 2016, property and equipment consist of the following:
Depreciation expense for the nine-month periods ended September 30, 2017 and 2016 was $11,000 and $5,000, respectively. Depreciation expense for the three-month periods ended September 30, 2017 and 2016 was $6,000 and $2,000, respectively. |