CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,400,953	$ 3,059,677
Accounts receivable, net of allowances of $191,458 and $162,112, respectively	1,706,141	3,605,411
Prepaid expenses and other current assets	1,736,775	1,909,846
Contract assets	838,273	637,179
Inventory	104,737	14,885
Total current assets	6,786,879	9,226,998
Property and equipment, net of accumulated depreciation of $18,250,566 and $18,194,827, respectively	484,588	433,935
Operating lease right-of-use assets	2,454,349	0
Deferred tax assets, net	553,738	545,044
Software development costs, net	46,136	88,769
Other assets	1,037,877	919,609
Goodwill	4,150,339	4,150,339
Other intangible assets, net	85,746	91,334
Contract assets, net of current portion	222,825	516,643
Total assets	15,822,477	15,972,671
Current liabilities:
Accounts payable	1,109,862	551,389
Accrued expenses	2,284,591	2,879,473
Operating lease liabilities, net	1,753,015	0
Deferred revenue	5,071,197	6,859,592
Total current liabilities	10,218,665	10,290,454
Other long-term liabilities	760,574	1,549,692
Notes payable, net	2,746,419	3,124,827
Operating lease liabilities, net of current portion	1,281,804	0
Deferred tax liabilities, net of current portion	297,715	297,890
Deferred revenue, net	3,615,556	2,506,898
Total liabilities	18,920,733	17,769,761
Commitments and contingencies (Note 11)
Series A redeemable convertible preferred stock, $.001 par value, 2,000,000 shares authorized, 900,000 shares issued and outstanding, redemption value of $11,671,866 and $11,104,923, respectively	10,523,748	9,756,706
Stockholders' deficit:
Common stock - $.001 par value, 800,000,000 shares authorized, 5,887,733 shares and 5,872,552 shares issued and outstanding, respectively	5,888	5,873
Additional paid-in capital	112,501,652	113,243,227
Accumulated deficit	(124,204,424)	(122,907,794)
Accumulated other comprehensive loss, net	(1,925,120)	(1,895,102)
Total stockholders' deficit	(13,622,004)	(11,553,796)
Total liabilities and stockholders' deficit	$ 15,822,477	$ 15,972,671