Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities:
Net income (loss)	$ (465)	$ 947
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	52	39
Stock-based compensation	19	4
Penalties on dividends		6
Noncash lease costs	63	246
Changes in operating assets and liabilities:
Accounts receivable	534	475
Prepaid expenses and other assets	(17)	(94)
Accounts payable and accrued expenses	(96)	(307)
Deferred revenue	(232)	(529)
Net cash provided by (used in) operating activities	(142)	787
Investing Activities:
Purchases of property and equipment	(40)	(96)
Financing Activities:
Payments on loan from officer		(1,000)
Proceeds from stock options exercised	75	220
Payments of dividends		(597)
Reduction of finance lease liability	(10)	(15)
Net cash provided by (used in) financing activities	65	(1,392)
Net decrease in cash and cash equivalents	(117)	(701)
Cash and cash equivalents at beginning of period	3,334	1,652
Cash and cash equivalents at end of period	3,217	951
SUPPLEMENTAL DISCLOSURE OF NON CASH FINANCING ACTIVITIES:
Preferred stock dividends accrued	33	34
Conversion of preferred stock to common	$ 96