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Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2019
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities
Accrued expenses and other liabilities consisted of the following:
 
March 31, 2019
 
December 31, 2018
Advance deposits on Membership Interest Purchase Agreement (Note 15)
$
1,950,000

 
$

Accrued Northern Comstock Joint Venture
293,958

 
180,833

Accrued insurance liabilities
239,176

 
341,680

Accrued interest expense
204,658

 
481,946

Accrued payroll costs
153,482

 
140,915

Accrued liability for purchase of DTSS (Note 15)
120,000

 
185,000

Accrued Board of Directors fees
20,000

 
20,000

Accrued make-whole for Pelen LLC (Note 15)

 
135,162

Accrued personal property tax

 
74,434

Other accrued expenses
121,863

 
114,763

 Total accrued expenses and other liabilities
$
3,103,137

 
$
1,674,733