Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 74,526,312	$ 21,852,531
Accounts receivable, net of allowance of $256,000 and $283,000 at March 31, 2017 and December 31, 2016, respectively	15,821,440	23,737,254
Prepaid expenses and other current assets	1,405,695	1,489,267
Total current assets	91,753,447	47,079,052
Restricted cash	393,776	393,484
Goodwill	114,175,554	114,175,554
Property and equipment, net	2,157,936	2,466,110
Intangible assets, net	15,784,410	17,010,565
Deferred Tax Assets, Net, Noncurrent	28,271,292	28,253,827
Other assets	96,565	110,892
TOTAL ASSETS	252,632,980	209,489,484
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	3,403,069	5,350,336
Accrued liabilities	7,764,556	8,395,060
Current portion of capital lease obligations	151,485	221,302
Deferred revenue	436,556	434,197
Total current liabilities	11,755,666	14,400,895
TOTAL LIABILITIES	11,755,666	14,400,895
STOCKHOLDERS' EQUITY:
Preferred stock, $.001 par value; authorized - 5,000,000 shares: 0 shares issued and outstanding at March 31, 2017 and December 31, 2016
Common stock, $.001 par value; authorized - 100,000,000 shares; 68,970,772 and 58,945,607 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	68,974	58,949
Additional paid-in capital	397,206,655	351,873,801
Accumulated deficit	(156,398,315)	(156,844,161)
Total stockholders' equity	240,877,314	195,088,589
Total liabilities and stockholders' equity	$ 252,632,980	$ 209,489,484

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.