Employee Stock Options (Tables) - Employee Stock Option [Member]

6 Months Ended

Jun. 30, 2017

Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]

Summary of assumptions used to estimate fair value stock options granted

	2017
Expected dividend yield		0	%
Expected volatility		100	%
Risk-free interest rate		1.50	%
Expected life of options		2.50-3.00 years

	2016
Expected dividend yield		0	%
Expected volatility		102	%
Risk-free interest rate		1.24-1.38	%
Expected life of options		2.00-2.50 years

Summary of stock option activity

	Number of Options			Weighted  Average Exercise Price per Share		Weighted Average Contractual Life in Years		Aggregate Intrinsic Value
Outstanding – December 31, 2016		442,500		$	5.81	$	1.72
Exercisable – December 31, 2016		407,500		$	5.57	$	1.65	$	0
Granted		100,000		$	2.90
Exercised or Vested		12,500		$	10.80
Cancelled or Expired		(7,500	)	$	4.18
Outstanding – June 30, 2017		535,000		$	5.29		1.18	$	0
Exercisable – June 30, 2017		412,500		$	5.75		1.17	$	0