XML 24 R7.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities:    
Net loss $ (9,680,000) $ (11,173,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Common stock issued for services 342,000 194,000
Share based payments 369,000 645,000
Depreciation and amortization 297,000 208,000
Abandonment and impairment of capitalized patents pending 0 1,971,000
Deferred Rent 0 (17,000)
Change in operating assets and liabilities:    
Contract assets (184,000) 0
Accounts receivable 103,000 (103,000)
Prepaid expenses and other assets 169,000 (332,000)
Accounts payable and accrued liabilities 13,000 260,000
Accrued compensation and taxes 428,000 (440,000)
Contract liabilities (115,000) 115,000
Net cash used in operating activities (8,258,000) (8,672,000)
Cash flows from investing activities:    
Acquisition of fixed assets (94,000) (137,000)
Disbursements for patents and other intangible assets (327,000) (917,000)
Net cash used in investing activities (421,000) (1,054,000)
Cash flows from financing activities:    
Proceeds from issuance of units of common stock and warrants for cash, net of offering costs 8,667,000 0
Net cash provided by financing activities 8,667,000 0
Net decrease in cash and cash equivalents (12,000) (9,726,000)
Cash and cash equivalents, beginning of year 1,259,000 10,985,000
Cash and cash equivalents, end of year $ 1,247,000 $ 1,259,000