Consolidated Balance Sheets - USD ($)	Mar. 31, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash	$ 7,765,692	$ 8,010,161
Accounts receivable, net of allowance of $18,750 at March 31, 2018 and December 31, 2017, respectively	703,016	652,627
Inventory	81,964	85,321
Other current assets	240,662	218,835
Total current assets	8,791,334	8,966,944
NOTE RECEIVABLE, net of current portion	60,764	71,138
PROPERTY AND EQUIPMENT, net	269,102	211,602
GOODWILL	8,101,661	8,101,661
INTANGIBLE ASSETS, net	424,327	463,578
OTHER ASSETS	67,808	67,181
Total assets	17,714,996	17,882,104
CURRENT LIABILITIES:
Accounts payable	123,052	71,578
Accrued expenses	930,405	815,350
Deferred revenue, current portion	810,361	739,980
Total current liabilities	1,863,818	1,626,908
OTHER LIABILITIES:
Deferred revenue, long-term portion	82,650	87,736
Other long-term liabilities	79,203	158,407
Total liabilities	2,025,671	1,873,051
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY:
Common stock - $.001 par value; 40,000,000 shares authorized; 15,608,943 and 15,009,246 shares issued and outstanding at March 31, 2018 and December 31, 2017, respectively	15,609	15,009
Additional paid-in capital	127,164,498	126,416,869
Accumulated deficit	(111,490,782)	(110,422,825)
Total stockholders' equity	15,689,325	16,009,053
Total liabilities and stockholders' equity	$ 17,714,996	$ 17,882,104

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.