Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities [Abstract]
Net Loss	$ (3,049,000)	$ (3,509,000)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and Amortization	484,000	520,000
Revaluation of subscription agreements	(79,000)	0
Amortization of Debt Issuance Costs and Discounts	177,000	0
Share-based Payment Arrangement, Noncash Expense	5,000	240,000
Preferred shares interest expense, related party	0	261,000
Changes in operating assets and liabilities:
Accounts Receivable	(3,000)	641,000
Inventories	94,000	61,000
Accounts Payable and Accrued Liabilities	1,166,000	672,000
Accrued Payroll and Employee Compensation	88,000	182,000
Deferred Revenue	(446,000)	(256,000)
Other Assets and Liabilities, Net	473,000	186,000
Net Cash Used in Operating Activities	(1,090,000)	(1,002,000)
Financing activities:
Proceeds from Issuance of Unsecured Debt	667,000	0
Proceeds from Convertible Debt	375,000	0
Proceeds from Related Party Convertible Debt	200,000	0
Proceeds from Stock Options Exercised	75,000	0
Proceeds from debt-related party	0	523,000
Proceeds from (Repayments of) Lines of Credit	(2,000)	289,000
Net Cash Provided by Financing Activities	1,315,000	812,000
Net Increase (Decrease) in cash and cash equivalents	225,000	(190,000)
Cash, Cash Equivalents, Beginning	149,000	341,000
Cash, Cash Equivalents, Ending	$ 374,000	$ 151,000