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Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Cash flows from operating activities:    
Net loss $ (11,173,000) $ (7,898,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Common stock issued for services 194,000 157,000
Share based payments 645,000 797,000
Depreciation and amortization 208,000 200,000
Abandonment and impairment of capitalized patents pending 1,971,000 593,000
Deferred rent (17,000) (13,000)
Change in operating assets and liabilities:    
Accounts Receivables (103,000) 0
Prepaid expenses (332,000) (94,000)
Accounts payable 260,000 242,000
Accrued compensation (440,000) (245,000)
Billings on uncompleted contracts in excess of costs 115,000 0
Net cash used in operating activities (8,672,000) (6,261,000)
Cash flows from investing activities:    
Acquisition of fixed assets (137,000) (49,000)
Disbursements for patents and other intangible assets (917,000) (1,113,000)
Net cash used in investing activities (1,054,000) (1,162,000)
Cash flows from financing activities:    
Proceeds from issuance of common stock for cash, net of offering costs 0 16,279,000
Proceeds from exercise of stock options 0 284,000
Net cash provided by financing activities 0 16,563,000
Net increase (decrease) in cash and cash equivalents (9,726,000) 9,140,000
Cash and cash equivalents, beginning of period 10,985,000 1,845,000
Cash and cash equivalents, end of period $ 1,259,000 $ 10,985,000