Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 8,949,000	$ 1,247,000
Short-term investments	6,923,000	0
Contract assets	39,000	184,000
Prepaid expenses and other assets	500,000	366,000
Total current assets	16,411,000	1,797,000
Fixed assets, net	457,000	498,000
Patents and other intangible assets, net	1,759,000	1,856,000
Other assets	10,000	10,000
Total Assets	18,637,000	4,161,000
Current Liabilities:
Accounts payable and accrued liabilities	1,080,000	768,000
Current portion of lease liabilities	216,000	159,000
Accrued compensation and taxes	341,000	607,000
Total current liabilities	1,637,000	1,534,000
Long Term Liabilities:
Long term lease liabilities	91,000	195,000
Total liabilities	1,728,000	1,729,000
Commitments and conttingencies
Stockholders' Equity:
Preferred stock, $0.0001 par value, zero shares issued and outstanding	0	0
Common stock, $0.0001 par value, 26,697,261 and 15,608,853 shares issued and outstanding at December 31, 2018 and December 31, 2017, respectively	3,000	2,000
Additional paid-in capital	76,417,000	52,441,000
Accumulated deficit	(59,511,000)	(50,011,000)
Total stockholders' equity	16,909,000	2,432,000
Total Liabilities and Stockholders' Equity	$ 18,637,000	$ 4,161,000

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).