Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 1,652,000	$ 224,000
Accounts receivable	1,967,000	962,000
Inventories		15,000
Prepaid expenses	91,000	89,000
Total current assets	3,710,000	1,290,000
Property and Equipment:
Equipment	2,043,000	1,721,000
Furniture and fixtures	43,000	43,000
Leasehold improvements	63,000	55,000
	2,149,000	1,819,000
Accumulated depreciation and amortization	(1,828,000)	(1,695,000)
	321,000	124,000
Other assets	38,000	38,000
TOTAL ASSETS	4,069,000	1,452,000
Current Liabilities:
Accounts payable, trade	193,000	194,000
Accrued expenses	1,403,000	988,000
Dividends payable	594,000	447,000
Obligations under capital lease, current portion	58,000	44,000
Deferred revenue	1,004,000	406,000
Total current liabilities	3,252,000	2,079,000
Loan payable to officer	1,815,000	2,865,000
Obligations under capital lease, noncurrent portion	64,000	17,000
Commitments and contingencies
Stockholders’ Deficit:
Common stock	133,000	128,000
Common stock held in treasury, at cost—10 shares	(362,000)	(362,000)
Additional paid-in-capital	56,609,000	56,518,000
Accumulated deficit	(59,242,000)	(61,529,000)
Accumulated other comprehensive loss	(43,000)	(107,000)
Total stockholders’ deficit	(1,062,000)	(3,509,000)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	4,069,000	1,452,000
Series 1 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	707,000	707,000
Series 2 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	724,000	724,000
Series 3 Preferred Stock [Member]
Stockholders’ Deficit:
Preferred stock	$ 412,000	$ 412,000