Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock Shares	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance, shares at Dec. 31, 2017		76,246,113
Beginning Balance, amount at Dec. 31, 2017	$ (4,424,786)	$ 76,246	$ 42,165,620	$ (46,666,652)
Net income	(1,911,071)			(1,911,071)
Issuance of stock options, shares
Issuance of stock options, amount	231,165		231,165
Vesting of stock issued to non-employees in prior year, shares
Vesting of stock issued to non-employees in prior year, amount	69,375		69,375
Ending Balance, shares at Mar. 31, 2018		76,246,113
Ending Balance, amount at Mar. 31, 2018	(6,035,317)	$ 76,246	42,466,160	(48,577,723)
Net income	(1,700,942)			(1,700,942)
Issuance of stock options, shares
Issuance of stock options, amount	14,705		14,705
Vesting of stock issued to non-employees in prior year, shares
Issuance of warrants, recorded as discount on convertible notes payable, shares
Issuance of warrants, recorded as discount on convertible notes payable, amount	89,500		89,500
Vesting of stock issued to non-employees in prior year, amount	69,375		69,375
Ending Balance, shares at Jun. 30, 2018		76,246,113
Ending Balance, amount at Jun. 30, 2018	(7,562,679)	$ 76,246	42,639,740	(50,278,665)
Beginning Balance, shares at Dec. 31, 2018		76,246,113
Beginning Balance, amount at Dec. 31, 2018	(8,621,096)	$ 76,246	42,785,990	(51,483,332)
Cumulative effect of change in accounting principle related to accounting for leases, shares
Net income	2,363,797			2,363,797
Cumulative effect of change in accounting principle related to accounting for leases, amount	(77,866)			(77,866)
Ending Balance, shares at Mar. 31, 2019		76,246,113
Ending Balance, amount at Mar. 31, 2019	(6,335,165)	$ 76,246	42,785,990	(49,197,401)
Net income	(2,839,121)			(2,839,121)
Stock issued per resignation agreements, shares		464,517
Stock issued per resignation agreements, amount	118,540	$ 464	118,076
Issuance of stock options, shares
Issuance of stock options, amount	898,207		898,207
Extension of certain stock option expiration dates, shares
Issuance of warrants, recorded as discount on convertible notes payable, shares
Extension of certain stock option expiration dates, amount	745,989		745,989
Issuance of warrants, recorded as discount on convertible notes payable, amount	197,664		197,664
Ending Balance, shares at Jun. 30, 2019		76,710,630
Ending Balance, amount at Jun. 30, 2019	$ (7,213,886)	$ 76,710	$ 44,745,926	$ (52,036,522)