Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 7,084,000	$ 8,552,000
Contract assets	39,000	39,000
Prepaid expenses and other assets	334,000	391,000
Total current assets	7,457,000	8,982,000
Fixed assets, net	593,000	665,000
Patents and other intangible assets, net	1,326,000	1,285,000
Other assets	10,000	10,000
Total Assets	9,386,000	10,942,000
Current Liabilities:
Accounts payable and accrued liabilities	1,056,000	845,000
Current portion of lease liabilities	168,000	177,000
Accrued compensation and taxes	121,000	226,000
Contract liabilities	50,000	50,000
Total current liabilities	1,395,000	1,298,000
Long Term Liabilities:
Long term lease liabilities	378,000	418,000
Total liabilities	1,773,000	1,716,000
Commitments and contingencies
Stockholders' Equity:
Preferred stock, $0.0001 par value, zero shares issued and outstanding	0	0
Common stock, $0.0001 par value, 26,709,761 and 26,707,261 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	3,000	3,000
Additional paid-in capital	77,560,000	77,210,000
Accumulated deficit	(69,953,000)	(67,990,000)
Total stockholders' equity	7,610,000	9,223,000
Noncontrolling Interest	3,000	3,000
Total equity	7,613,000	9,226,000
Total Liabilities and Equity	$ 9,386,000	$ 10,942,000

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

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).