Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 29,531	$ 42,049
Accounts receivable, net	6,190	15,976
Other current assets	4,825	5,707
Total current assets	40,546	63,732
Property and equipment, net	14,673	11,688
Intangible assets, net	6,547	6,823
Goodwill	17,847	17,847
Operating right-of-use lease assets	13,279	13,493
Other assets	5,452	5,887
Total assets	98,344	119,470
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,860	1,249
Accrued expenses	8,383	13,103
Current portion of debt, net	7,240	7,117
Operating lease liabilities	616	599
Total current liabilities	19,099	22,068
Long-term debt, net	30,166	31,910
Operating lease liabilities	14,832	15,005
Contingent consideration liability	3,600	3,900
Deferred tax liability	34	34
Total liabilities	67,731	72,917
Commitments and Contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value Authorized - 20,000 shares; issued and outstanding - none	0	0
Common stock, $0.0013 par value Authorized - 160,000 shares; issued - 86,796 shares in 2020 and 86,760 shares in 2019	113	113
Additional paid-in capital	728,129	727,089
Treasury stock at cost, 200 shares of common stock	(2,741)	(2,741)
Accumulated other comprehensive loss	(327)	(148)
Accumulated deficit	(694,561)	(677,760)
Total stockholders’ equity	30,613	46,553
Total liabilities and stockholders’ equity	$ 98,344	$ 119,470