Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities:
Net income (loss)	$ (1,180)	$ 2,706
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	107	86
Stock-based compensation	74	14
Penalties on dividends		6
Noncash lease costs	124	304
Changes in operating assets and liabilities:
Accounts receivable	499	(738)
Prepaid expenses and other assets	(234)	(234)
Accounts payable and accrued expenses	(64)	(66)
Deferred revenue	(352)	179
Net cash provided by (used in) operating activities	(1,026)	2,257
Investing Activities:
Purchases of property and equipment	(62)	(168)
Financing Activities:
Proceeds from PPP loan payable	629
Payments on loan from officer		(1,815)
Proceeds from stock options exercised	85	226
Payments of dividends	(67)	(644)
Reduction of finance lease liability	(21)	(31)
Net cash provided by (used in) financing activities	626	(2,264)
Net decrease in cash and cash equivalents	(462)	(175)
Cash and cash equivalents at beginning of period	3,334	1,652
Cash and cash equivalents at end of period	2,872	1,477
SUPPLEMENTAL DISCLOSURE OF NON CASH FINANCING ACTIVITIES:
Preferred stock dividends accrued	66	68
Conversion of preferred stock to common	$ 96