Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 263	$ 64
Accounts receivable	879	745
Inventories	30	45
Prepaid expenses	37	75
Total current assets	1,209	929
Property and equipment, net	162	308
Other assets	38	40
TOTAL ASSETS	1,409	1,277
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable and accrued expenses	1,060	896
Dividends payable	411	303
Obligations under capital lease, current portion	70	139
Deferred revenue	658	395
Total current liabilities	2,199	1,733
Loan payable to officer	2,865	2,885
Obligations under capital lease, noncurrent portion	22	61
Commitments and contingencies
Stockholders’ deficit:
Common stock	128	128
Common stock held in treasury, at cost – 10 shares	(362)	(362)
Additional paid-in capital	56,541	56,595
Accumulated deficit	(61,720)	(61,499)
Accumulated other comprehensive loss	(107)	(107)
Total stockholders’ deficit	(3,677)	(3,402)
TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT	1,409	1,277
Series 1 Preferred Stock [Member]
Stockholders’ deficit:
Preferred stock	707	707
Series 2 Preferred Stock [Member]
Stockholders’ deficit:
Preferred stock	724	724
Series 3 Preferred Stock [Member]
Stockholders’ deficit:
Preferred stock	$ 412	$ 412