Basis of Presentation and Significant Policies - Narrative (Details)					3 Months Ended
	May 19, 2022 USD ($) $ / shares	Feb. 25, 2022 USD ($) $ / shares	Jan. 24, 2022 USD ($)	Mar. 31, 2021 USD ($) segment	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($) $ / shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jan. 31, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of operating segments | segment				3
Proceeds from sale of discontinued operations						$ 0	$ 18,750,000
Preferred stock, dividend rate, percentage						10.00%
Preferred stock, liquidation preference per share (USD per share) | $ / shares						$ 10.00
Dividends declared per Series A perpetual preferred stock (usd per share) | $ / shares						$ 0.25	$ 0
Preferred stock dividends paid						$ 0
Loss from continuing operations, net of tax						(3,701,000)	$ (588,000)
Accumulated deficit						(131,670,000)		$ (127,969,000)
Net cash provided by (used in) operating activities						(636,000)	(2,232,000)
Cash and cash equivalents				$ 13,175,000		15,035,000	$ 13,175,000	4,538,000
Short-term debt						$ 13,334,000		12,869,000
Related party notes									$ 2,300,000
Extended warranty period						1 year
Cash, FDIC insured amount						$ 250,000
2022 Public Offering
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Consideration received			$ 14,300,000
Net proceeds			$ 12,700,000
Series A Cumulative Perpetual Preferred Stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred stock, dividend rate, percentage						10.00%
Dividends declared per Series A perpetual preferred stock (usd per share) | $ / shares		$ 0.25
Preferred stock dividends paid		$ 500,000				$ 500,000
Series A Cumulative Perpetual Preferred Stock | Subsequent Event
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Dividends declared per Series A perpetual preferred stock (usd per share) | $ / shares	$ 0.25
Preferred stock dividends paid	$ 500,000				$ 500,000
Star Loan Agreement
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Short-term debt						1,000,000
Revolving Credit Facility | Star Credit Parties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Maximum borrowing capacity										$ 2,500,000
Revolving Credit Facility | Line of Credit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Short-term debt						5,000,000
Revolving Credit Facility | Revolving Credit Facility - SNB
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Short-term debt						13,300,000
Short-term debt						$ 7,334,000		$ 7,016,000
Revolving Credit Facility | Star Loan Agreement | Prime Rate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Basis spread (percent)						3.50%
DMS Health
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from sale of discontinued operations				$ 18,750,000