7. Common Stock (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Employee stock options outstanding

# Common Shares Issuable		Exercise Price
	46,500	$	0.58
	155,000		0.58
	1,400,000		0.58
	31,000		0.58
	123,667		0.58
	207,500		1.00
	232,500		1.00
	287,500		1.00
	280,000		0.53
	35,000		0.50
	372,500		0.51
	332,500		0.623
	474,500		0.60

Assumptions for grants

Expected volatility	30% to 20%
Expected dividend yield	None
Expected term (in years)	3
Risk-free interest rate	1.68 to 2.82%

Options outstanding

Balance of employee stock options outstanding as of 12/31/16	2,957,667
Stock options granted during the year ended 12/31/17	410,500
Stock options exercised during the year ended 12/31/17	0
Stock options forfeited during the year ended 12/31/17	(34,000)
Balance of employee stock options outstanding as of 12/31/17	3,334,167
Stock options granted during the year ended 12/31/18	415,000
Stock options exercised during the year ended 12/31/18	0
Stock options forfeited during the year ended 12/31/18	(105,500)
Balance of employee stock options outstanding as of 12/31/18	3,643,667
Stock options granted during the year ended 12/31/19	529,500
Stock options exercised during the year ended 12/31/19	-
Stock options forfeited during the year ended 12/31/19	(195,000)
Balance of employee stock options outstanding as of 12/31/19	3,978,167

Number of non-vested options outstanding

Balance of employee non-vested stock options outstanding as of 12/31/16	791,668
Stock options granted during the year ended 12/31/17	410,500
Stock options vested during the year ended 12/31/17	(418,333)
Stock options forfeited during the year ended 12/31/17	(34,000)
Balance of employee non-vested stock options outstanding as of 12/31/17	749,835
Stock options granted during the year ended 12/31/18	415,000
Stock options vested during the year ended 12/31/18	(337,499)
Stock options forfeited during the year ended 12/31/18	(105,500)
Balance of employee non-vested stock options outstanding as of 12/31/18	721,836
Stock options granted during the year ended 12/31/19	529,500
Stock options vested during the year ended 12/31/19	(325,000)
Stock options forfeited during the year ended 12/31/19	(195,000)
Balance of employee non-vested stock options outstanding as of 12/31/19	731,336