Balance Sheets - USD ($)	Mar. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash	$ 3,840,600	$ 4,376,017
Accounts receivable, net of allowance of $24,675 at March 31, 2019 and December 31, 2018	796,834	1,019,434
Inventory	83,456	82,337
Other current assets	323,740	271,415
Total current assets	5,044,630	5,749,203
NOTE RECEIVABLE, net of current portion	18,222	29,017
PROPERTY AND EQUIPMENT, net	245,266	264,583
GOODWILL	8,101,661	8,101,661
INTANGIBLE ASSETS, net	267,323	306,575
OPERATING LEASE RIGHT-OF-USE ASSET	238,094
OTHER ASSETS	7,778	9,742
Total assets	13,922,974	14,460,781
CURRENT LIABILITIES:
Accounts payable	75,407	73,334
Accrued expenses	736,734	726,918
Operating lease liability, current portion	118,414
Deferred revenue, current portion	757,448	704,536
Total current liabilities	1,688,003	1,504,788
OTHER LIABILITIES:
Deferred revenue, long-term portion	30,445	29,486
Operating lease liability, long-term portion	128,073
Other long-term liabilities		6,802
Total liabilities	1,846,521	1,541,076
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY:
Common stock - $.001 par value; 40,000,000 shares authorized;15,638,765 shares issued and outstanding at March 31, 2019 and December 31, 2018	15,639	15,639
Additional paid-in capital	127,660,206	127,290,467
Accumulated deficit	(115,599,392)	(114,386,401)
Total stockholders' equity	12,076,453	12,919,705
Total liabilities and stockholders' equity	$ 13,922,974	$ 14,460,781