Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS
Cash and cash equivalents	$ 2,786,832	$ 1,108,193
Restricted cash	10,135	10,010
Accounts receivable and other, net	789,421	232,380
Other current assets	1,016,136	495,527
Total current assets	4,602,524	1,846,110
PROPERTY AND EQUIPMENT
Equipment and office fixtures	11,033,536	16,738,898
Accumulated depreciation	(10,915,557)	(16,145,082)
Total property and equipment	117,979	593,816
NON-CURRENT ASSETS
Investment in unconsolidated entity	752,667
Other non-current assets		532,500
Total non-current assets	752,667	532,500
Total assets	5,473,170	2,972,426
CURRENT LIABILITIES
Accounts payable	2,772,423	2,396,835
Accrued expenses	9,804,546	6,551,335
Loans payable	29,448,988	24,363,442
Total current liabilities	42,025,957	33,311,612
LONG-TERM LIABILITIES
Loans payable		3,000,000
Deferred income and revenue participation rights	4,643,750	4,643,750
Total long-term liabilities	4,643,750	7,643,750
Total liabilities	46,669,707	40,955,362
Commitments and contingencies (NOTE O)
STOCKHOLDERS' EQUITY/(DEFICIT)
Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding	0	0
Common stock - $.0001 par value; 75,000,000 shares authorized; 9,222,199 and 8,466,909 issued and outstanding	922	847
Additional paid-in capital	217,993,953	212,103,344
Accumulated (deficit)	(239,882,346)	(234,709,910)
Total stockholders' equity/(deficit) before non-controlling interest	(21,887,471)	(22,605,719)
Non-controlling interest	(19,309,066)	(15,377,217)
Total stockholders' equity/(deficit)	(41,196,537)	(37,982,936)
Total liabilities and stockholders' equity/(deficit)	$ 5,473,170	$ 2,972,426

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