Consolidated Balance Sheets - USD ($)	Jun. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash	$ 6,462,631	$ 8,010,161
Accounts receivable, net of allowance of $24,375 and $18,750 at June 30, 2018 and December 31, 2017, respectively	473,704	652,627
Inventory	81,217	85,321
Other current assets	453,355	218,835
Total current assets	7,470,907	8,966,944
NOTE RECEIVABLE, net of current portion	50,287	71,138
PROPERTY AND EQUIPMENT, net	296,992	211,602
GOODWILL	8,101,661	8,101,661
INTANGIBLE ASSETS, net	385,075	463,578
OTHER ASSETS	9,742	67,181
Total assets	16,314,664	17,882,104
CURRENT LIABILITIES:
Accounts payable	52,762	71,578
Accrued expenses	928,281	815,350
Deferred revenue, current portion	624,064	739,980
Total current liabilities	1,605,107	1,626,908
OTHER LIABILITIES:
Deferred revenue, long-term portion	48,751	87,736
Other long-term liabilities	7,863	158,407
Total liabilities	1,661,721	1,873,051
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY:
Common stock - $.001 par value; 40,000,000 shares authorized; 15,625,329 and 15,009,246 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively	15,625	15,009
Additional paid-in capital	127,228,475	126,416,869
Accumulated deficit	(112,591,157)	(110,422,825)
Total stockholders' equity	14,652,943	16,009,053
Total liabilities and stockholders' equity	$ 16,314,664	$ 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).

Name:	us-gaap_AccountsPayableCurrent
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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682