CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 6,734	$ 5,694
Accounts receivable, net of allowance for doubtful accounts of $7 at June 30, 2019 and $0 at December 31, 2018.	376	968
Inventory, net	319	29
Other current assets	271	233
Total Current Assets	7,700	6,924
Property and equipment, net	222	244
Other assets	286	332
Operating lease right-of-use assets	2,060	0
Intangible assets, net of accumulated amortization	76	82
Goodwill	3,416	3,416
Total Assets	13,760	10,998
Current Liabilities:
Accounts payable	552	678
Deferred revenue	1,073	1,215
Accrued expenses	1,346	888
Operating lease liabilities, current portion	239	0
Derivative liabilities	1,008	1,065
Total Current Liabilities	4,218	3,846
Other long-term liabilities	118	147
Lease liabilities, net of current portion	1,942	0
Pension obligation	1,928	1,876
Total Liabilities	8,206	5,869
Mezzanine Equity:
Series C Convertible Redeemable Preferred Stock, $0.01 par value, designated 1,000 shares, 1,000 shares issued and outstanding at June 30, 2019 and December 31, 2018; liquidation preference $10,000 at June 30, 2019 and December 31, 2018.	8,526	8,156
Shareholders' Equity (Deficit):
Common Stock, $0.01 par value, 175,000,000 shares authorized; 106,552,389 and 98,230,336 shares issued at June 30, 2019 (unaudited) and December 31, 2018, respectively, and 106,545,685 and 98,223,632 shares outstanding at June 30, 2019 (unaudited) and December 31, 2018, respectively.	1,065	981
Additional paid in capital	192,565	184,130
Treasury stock, at cost 6,704 shares	(64)	(64)
Accumulated other comprehensive loss	(1,433)	(1,428)
Accumulated deficit	(195,107)	(186,648)
Total Shareholders' Deficit	(2,972)	(3,027)
Total Liabilities, Mezzanine Equity and Shareholders' Deficit	13,760	10,998
Series A Preferred Stock [Member]
Shareholders' Equity (Deficit):
Preferred stock	0	0
Series B Preferred Stock [Member]
Shareholders' Equity (Deficit):
Preferred stock	$ 2	$ 2